HL7 Messages - Merge Healthcare

HL7 Interface Specification
Merge LIS
v. 3.8
Merge Healthcare
900 Walnut Ridge Drive
Hartland, WI 53029
USA
877.44.MERGE

© 2012 Merge Healthcare. The information contained herein is confidential and is the sole property of Merge Healthcare. None of the
information may be reproduced, copied, and/or re-distributed electronically, manually, or otherwise to any person without advance
written permission from Merge Healthcare, except as may be expressly authorized by contracts or other agreements between Merge
Healthcare and its customer. Merge Healthcare® and AMICAS are registered trademarks and VERICIS, RadSuite, Abraxas, and
iConnect are also trademarks of Merge Healthcare. Other trademarks or service marks referred to herein are the property of their
respective owners.
Doc # Revision Date Description
LIS-756 2 9/10/12 Modifications from Implementation.

Table of Contents
Merge LIS v. 3.8 HL7 Interface Specification
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
HL7 Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ADT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Message Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
MSH Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
NTE Segment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
PID Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
PV1 Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DG1 Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
GT1 Segment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
IN1 Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Charges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Message Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
MSH Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PID Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
NTE Segment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PV1 Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
FT1 Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
GT1 Segment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
IN1 Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Orders. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Message Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
MSH Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
NTE Segment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
PID Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
PV1 Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
DG1 Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
IN1 Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
GT1 Segment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
ORC Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
OBR Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
1 of 25

Merge LIS v. 3.8 HL7 Interface Specification
Message Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
MSH Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
PID Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
NTE Segment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
PV1 Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
ORC Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
OBR Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
OBX Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
GT1 Segment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
IN1 Segment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
ZPS Segment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
HL7 Example Message Formats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
ADT Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Charge Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Order Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Result Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2 of 25

Introduction
Purpose
Merge LIS v. 3.8 HL7 Interface Specification
This document presumes the reader has a working knowledge of the HL7 Version 2.3 interface
specification.
The HL7 specification is available through:
Health Level Seven
3300 Washtenaw Ave. Suite 227
Ann Arbor, MI 48104-4250
Office: (313) 677-7777
FAX: (313) 677-6622
For questions specific to the enclosed documentation, please contact Merge Healthcare Technical
Assistance at 877-44-MERGE.
3 of 25

HL7 Messages
ADT
The following describes the Protocol for the Merge LIS ADT HL7 format.
Message Support
Merge LIS v. 3.8 HL7 Interface Specification
ADT - patient administration; supported for input only. The following trigger events are supported in the
ADT interface: A01: Admit Patient, A02: Transfer Patient, A04: Register Patient, A08: Change Patient
Data.
MSH Segment
Field # Field name Length Notes
1 Field Separator 1 '|'
2 Encoding Characters 4 '^~\&'
3 Sending Application 12
4 Sending Facility 30 Defined in HL7 configuration for site
5 Receiving Application 30 Defined in HL7 configuration for site
6 Receiving Facility 20 Defined in HL7 configuration for site
7 Date-Time of Message 14 Date/time output file was created
9 Message Type 3^3 "ADT^A08"
10 Message Control ID 10 Unique sequential number
11 Processing ID 1 'P' = production, 'T' = test
12 Version ID 3 "2.3"
15 Accept Acknowledgement Type 2 "NE" or "AL" as defined in site parameters
16 Application Acknowledgement Type 2 "NE" or "AL" as defined in site parameters
NTE Segment
Field # Field name Length Notes
1 Set ID 2 Sequential number starting at '1'
3 Comment 80 Text comment
4 of 25

PID Segment
Field # Field name Length Notes
PV1 Segment
Merge LIS v. 3.8 HL7 Interface Specification
1 Set ID 4 Sequential number starting at '1'
2 Placer Patient ID 12 Host patient ID; required field
3 Merge LIS Patient ID 12 Merge LIS patient ID; optional with orders,
required with results
4 Alternate Patient ID
5 Patient Name Note 1
6 Mother's Maiden Name 30
7 Date/Time of Birth 14
8 Sex 1 'M', 'F', or 'O'
10 Race 20
11 Address Note 2
13 Home Phone No 20
14 Work Phone No 20
18 Account Number 20
19 SSN 16
29 Patient death date 14
Field # Field name Length Notes
1 Set ID 1 '1'
2 Patient Class 1 'I' = inpatient, 'O' = outpatient
3 Patient Location ^8^8^8 room, bed, ward
7 Attending Doctor Note 3
8 Referring Doctor Note 3
9 Consulting doctor Note 3
5 of 25

Field # Field name Length Notes
17 Admitting doctor Note 3
19 Placer Visit Number 20
44 Admit date 14
45 Discharge date 14
DG1 Segment
Field # Field name Length Notes
1 Set ID 1 '1'
GT1 Segment
IN1 Segment
Merge LIS v. 3.8 HL7 Interface Specification
3 Diagnosis Code 8, 80, 2 ICD-9 code for procedure
Field # Field name Length Notes
1 Set ID 1 Always '1'
3 Guarantor Name Note 1
5 Guarantor Address Note 2
6 Guarantor Home Phone 14
7 Guarantor Work Phone 14
11 Guarantor Relationship 1 '1' = self, '2' = spouse, '3' = son, '4' =
daughter, '5' = other
12 Guarantor SSN 9
Field # Field name Length Notes
1 Set ID 1 Sequential number starting at '1'
2 Insurance Plan ID 15
3 Insurance Company ID 5 Required for Insurance Table must be
unique. May be host-specific
4 Insurance Company Name 30
5 Insurance Company Address Note 2
6 of 25

Field # Field name Length Notes
7 Insurance Company Phone Number 20
8 Group Number 15
9 Group Name 30
15 Plan Type 2 PI =Private Insurance
MC = Medicare
MD = Medicaid
HM = HMO
16 Name of Insured Note 1
Merge LIS v. 3.8 HL7 Interface Specification
17 Insured's Relationship to Patient 1 '1' = self, '2' = spouse, '3' = son, '4' =
daughter, '5' = other
31 Type of Agreement 1 Workman's compensation flag (Y/N)
36 Policy Number 20 Policy number
Note 1: "Person" fields support: Last name,^First name^ middle name
Note 2: "Address" fields support: street address^other address^city^state^zip
Note 3: "Providers" are represented as: FFlex Connect ID^last name^first name^^^^^Coding System
7 of 25

Charges
The following describes the Protocol for the Merge LIS Charges HL7 format.
Message Support
Merge LIS v. 3.8 HL7 Interface Specification
DFT event P03 - post detail financial transactions; support for output only. The transmission is triggered by
a batch or single-sample reporting mechanisms outputting to the charges site.
MSH Segment
Field # Field name Length Notes
1 Field Separator 1 '|'
2 Encoding Characters 4 '^~\&'
3 Sending Application 12
4 Sending Facility 30 Defined in HL7 configuration for site
5 Receiving Application 30 Defined in HL7 configuration for site
6 Receiving Facility 20 Defined in HL7 configuration for site
7 Date-Time of Message 14 Date/time output file was created
9 Message Type 3^3 "DFT^P03"
10 Message Control ID 10 Unique sequential number
11 Processing ID 1 'P' = production, 'T' = test
12 Version ID 3 "2.3"
15 Accept Acknowledgement Type 2 "NE" or "AL" as defined in site parameters
16 Application Acknowledgement Type 2 "NE" or "AL" as defined in site parameters
PID Segment
Field # Field name Length Notes
1 Set ID 4 Sequential number starting at '1'
2 Placer Patient ID 12 Host patient ID; required field
3 Merge LIS Patient ID 12 Merge LIS patient ID; optional with orders,
required with results
4 Alternate Patient ID
8 of 25

Field # Field name Length Notes
5 Patient Name Note 1
6 Mother's Maiden Name 30
7 Date/Time of Birth 14
8 Sex 1 'M', 'F', or 'O'
10 Race 20
11 Address Note 2
13 Home Phone No 20
14 Work Phone No 20
18 Account Number 20
19 SSN 11
29 Patient death date 14
NTE Segment
Field # Field name Length Notes
PV1 Segment
Merge LIS v. 3.8 HL7 Interface Specification
1 Set ID 2 Sequential number starting at '1'
3 Comment 80 Text comment
Field # Field name Length Notes
1 Set ID 1 '1'
2 Patient Class 1 'E' = emergency, 'I' = inpatient, 'O' =
outpatient, 'P' = preadmit, 'R' = recurring
patient, 'B' = obstetrics
3 Patient Location ^8^8^8 ^Room^bed^ward
7 Attending Doctor Note 3
8 Referring Doctor Note 3
9 Consulting doctor Note 3
17 Admitting doctor Note 3
9 of 25

Field # Field name Length Notes
19 Placer Visit Number 20
FT1 Segment
Merge LIS v. 3.8 HL7 Interface Specification
20 Financial Class 1 Bill Type: C = Client, T = Third Party, P =
Patient
44 Admit date 14
45 Discharge date 14
Field # Field name Length Notes
1 Set ID 3 Sequential number starting at '1'
3 Transaction Batch ID 1 '1'
4 Transaction Date 14 Sample draw date yyyymmddhhmmss
6 Transaction Type 2 "CG"
7 Transaction Code 20^30^
5
10 Transaction Quantity 1 '1'
16 Assigned Patient Location 8^0^0^
8
Procedure Code
^ ^
Draw Location as both first and fourth
component
19 Diagnosis Code 8^80^2 ICD-9 code for procedure
^ ^ Repeat up to 4 times.
21 Ordered By 10^30^
30^1^^
^^1
Ordering Provider
^ ^
^ ^^^Coding System(ST)
23 Filler Order Number 8^30 Lab number or outside provider lab number
and site name
25 Procedure Code 20^30^
5
Procedure Code
26 Procedure Modifier 2 Procedure Modifiers; up to four modifiers
separated by repeat delimiter
10 of 25

GT1 Segment
Field # Field name Length Notes
1 Set ID 1 Always '1'
3 Guarantor Name Note 1
5 Guarantor Address Note 2
6 Guarantor Home Phone 14
7 Guarantor Work Phone 14
IN1 Segment
Note 1: "Person" fields support: Last name,^First name^ middle name
Merge LIS v. 3.8 HL7 Interface Specification
11 Guarantor Relationship 1 '1' = self, '2' = spouse, '3' = son, '4' =
daughter, '5' = other
Field # Field name Length Notes
1 Set ID 1 Sequential number starting at '1'
2 Insurance Plan ID 15
3 Insurance Company ID 5
4 Insurance Company Name 30
5 Insurance Company Address Note 2
7 Insurance Company Phone Number 20
8 Group Number 15
9 Group Name 30
15 Plan Type 2 PI =Private Insurance
MC = Medicare
MD = Medicaid
HM = HMO
16 Name of Insured Note 1
17 Insured's Relationship to Patient 1 '1' = self, '2' = spouse, '3' = son, '4' =
daughter, '5' = other -Values can be
modified.
31 Type of Agreement 1 Workman's compensation flag (Y/N)
36 Policy Number 20 Policy number
11 of 25

Merge LIS v. 3.8 HL7 Interface Specification
Note 2: "Address" fields support: street address^other address^city^state^zip
Note 3: "Providers" are represented as: FFlex Connect ID^last name^first name^^^^^Coding System
EVN Segment
Field # Field name Length Notes
1 Event Type 3 P03
2 Event Date/Time 14 Date/Time of Event
Orders
The following describes the Protocol for the Merge LIS Orders HL7 format.
Message Support
ORM event O01 - general order message; supported for input only.
MSH Segment
Field # Field name Length Notes
1 Field Separator 1 '|'
2 Encoding Characters 4 '^~\&'
3 Sending Application 12
4 Sending Facility 30 Defined in HL7 configuration for site
5 Receiving Application 30 Defined in HL7 configuration for site
6 Receiving Facility 20 Defined in HL7 configuration for site
7 Date-Time of Message 14 Date/time output file was created
9 Message Type 3^3 "ORM^O01"
10 Message Control ID 10 Unique sequential number
11 Processing ID 1 'P' = production, 'T' = test
12 Version ID 3 "2.3"
15 Accept Acknowledgement Type 2 "NE" or "AL" as defined in site parameters
16 Application Acknowledgement Type 2 "NE" or "AL" as defined in site parameters
12 of 25

NTE Segment
Field # Field name Length Notes
PID Segment
Merge LIS v. 3.8 HL7 Interface Specification
1 Set ID 2 Sequential number starting at '1'
3 Comment 80 Text comment
Field # Field name Length Notes
1 Set ID 4 Sequential number starting at '1'
2 Placer Patient ID 12 Host patient ID; required field
3 Merge LIS Patient ID 12 Merge LIS patient ID; optional with orders,
required with results
4 Alternate Patient ID
5 Patient Name Note 1
6 Mother's Maiden Name 30
7 Date/Time of Birth 14
8 Sex 1 'M', 'F', or 'O'
10 Race 20
11 Address Note 2
13 Home Phone No 20
14 Work Phone No 20
18 Account Number 20
19 SSN 16
29 Patient death date 14
13 of 25

PV1 Segment
Field # Field name Length Notes
1 Set ID 1 '1'
DG1 Segment
IN1 Segment
Merge LIS v. 3.8 HL7 Interface Specification
2 Patient Class 1 'I' = inpatient, 'O' = outpatient
3 Patient Location ^8^^8 room, location
7 Attending Doctor Note 3
8 Referring Doctor Note 3
9 Consulting doctor Note 3
17 Admitting doctor Note 3
19 Placer Visit Number 20
20 Financial Class 12 Bill Type: C = Client, T = Third Party, P =
Patient. See Note 4
44 Admit date 14
45 Discharge date 14
Field # Field name Length Notes
1 Set ID 1 '1'
3 Diagnosis Code 8, 80, 2 ICD-9 code for procedure
Field # Field name Length Notes
1 Set ID 1 Sequential number starting at '1'
2 Insurance Plan ID 15
3 Insurance Company ID 5 Required for Insurance Table must be
unique. May be host-specific
4 Insurance Company Name 30
5 Insurance Company Address Note 2
7 Insurance Company Phone Number 20
14 of 25

Field # Field name Length Notes
8 Group Number 15
9 Group Name 30
15 Plan Type 2 PI =Private Insurance
MC = Medicare
MD = Medicaid
HM = HMO
16 Name of Insured Note 1
GT1 Segment
Merge LIS v. 3.8 HL7 Interface Specification
17 Insured's Relationship to Patient 1 '1' = self, '2' = spouse, '3' = son, '4' =
daughter, '5' = other
31 Type of Agreement 1 Workman's compensation flag (Y/N)
36 Policy Number 20 Policy number
Field # Field name Length Notes
1 Set ID 1 Always '1'
3 Guarantor Name Note 1
5 Guarantor Address Note 2
6 Guarantor Home Phone 14
7 Guarantor Work Phone 14
11 Guarantor Relationship 1 '1' = self, '2' = spouse, '3' = son, '4' =
daughter, '5' = other
12 Guarantor SSN 9
15 of 25

ORC Segment
Field # Field name Format Notes
OBR Segment
Merge LIS v. 3.8 HL7 Interface Specification
1 Order Control 2 "NW" New Order or 'CA' will cause the OBR
segments that follow this ORC to be
cancelled.
2 Placer Order Number 10 Placer order number or Merge LIS lab
number if order created in Merge LIS.
3 Merge LIS Order Number 10^8 Placer accession number (ID)
12 Attending Doctor Note 3
Field # Field name Format Notes
1 Set ID 3 Sequential number starting at '1'
2 Placer Test Number 10^8 May be supported by host; placer device
code included with results (along with
corresponding ZPS segment)
4 Test ID 8^30~5 Procedure ID
5 Priority 2
6 Order Date/Time 14
7 Draw Date/Time 14 Whether already drawn or future draw
9 Collection volume 3
10 Collector Identifier 8^30^3
0^30^5
^5^5^^
^^^^^8
Draw tech ID, last name, first name, MI,
suffix, prefix, degree, ward
11 Specimen Action Code 1 Orders only: 'A' add test to existing
specimen, 'G' reflexed by lab, 'L' lab to
obtain specimen
14 Specimen Received Date/Time 14
15 Specimen Source 8 Sample type Code.
16 Ordering Provider Note 3
22 Results Reported Date/Time 14 Date/time that test was first reported to any
destination
16 of 25

Field # Field name Format Notes
Merge LIS v. 3.8 HL7 Interface Specification
25 Result Status 1 Results only: 'O' = order received, specimen
not yet received; 'X' = no results available,
order canceled; 'F' = final results; 'R' =
results stored, not yet verified, 'A' = some,
but not all, results available, 'S' = no results
available, procedure scheduled but not
done, 'I' = incomplete, 'C' = correction, 'P' =
preliminary
26 Parent Isolate ^Isolat
e#
Used for associating a microbiology
identification or sensitivity panel to a specific
exam; this field will contain the isolate
number (matches any OBX.4 results under
the exam's OBR)
27 Quantity/Timing 1 Component 6 for stat or routine.
28 "Copy to" providers Note 3 Up to three repeats
29 Parent Exam 8 Used for associating a microbiology
identification or sensitivity panel to a specific
exam; this field will contain the exam test
code (found in field four of the exam's OBR)
31 Diagnosis 8^220 ICD-9 code and descriptions; up to four
repeats
37 Number of expected containers 2
45 Billing modifiers 2 Up to four repeats
Note 1: "Person" fields support: Last name,^First name^ middle name
Note 2: "Address" fields support: street address^other address^city^state^zip
Note 3: "Providers" are represented as: FFlex Connect ID^last name^first name^^^^^Coding System
Note 4: Saved as Client if GT1.2 Code exists. If no GT1.2 Code is sent saved as Guarantor unless
financial class is "C" = Client.
17 of 25

Results
The following describes the Protocol for the Merge LIS Results HL7 format.
Message Support
ORU event R01 - transmission of results; supported for output only.
MSH Segment
Field # Field name Length Notes
1 Field Separator 1 '|' (required)
2 Encoding Characters 4 '^~\&' (required)
3 Sending Application 12
PID Segment
Merge LIS v. 3.8 HL7 Interface Specification
4 Sending Facility 30 Defined in HL7 configuration for site
5 Receiving Application 30 Defined in HL7 configuration for site
6 Receiving Facility 20 Defined in HL7 configuration for site
7 Date-Time of Message 14 Date/time output file was created
9 Message Type 3^3 "ORU^R01"
10 Message Control ID 10 Unique sequential number
11 Processing ID 1 'P' = production, 'T' = test
12 Version ID 3 "2.3"
15 Accept Acknowledgement Type 2 "NE" or "AL" as defined in site parameters
16 Application Acknowledgement Type 2 "NE" or "AL" as defined in site parameters
Field # Field name Length Notes
1 Set ID 4 Sequential number starting at '1'
2 Placer Patient ID 12 Host patient ID; required field
3 Merge LIS Patient ID 12 Merge LIS patient ID; optional with orders,
required with results
4 Alternate Patient ID
5 Patient Name Note 1
18 of 25

Field # Field name Length Notes
6 Mother's Maiden Name 30
7 Date/Time of Birth 14
8 Sex 1 'M', 'F', or 'O'
10 Race 20
11 Address Note 2
13 Home Phone No 20
14 Work Phone No 20
18 Account Number 20
19 SSN 16
29 Patient death date 14
NTE Segment
Field # Field name Length Notes
PV1 Segment
Merge LIS v. 3.8 HL7 Interface Specification
1 Set ID 2 Sequential number starting at '1'
3 Comment 80 Text comment
Field # Field name Length Notes
1 Set ID 1 '1'
2 Patient Class 1 'E' = emergency, 'I' = inpatient, 'O' =
outpatient, 'P' = preadmit, 'R' = recurring
patient, 'B' = obstetrics
3 Patient Location ^8^^8 room, location
7 Attending Doctor Note 3
8 Referring Doctor Note 3
9 Consulting doctor Note 3
17 Admitting doctor Note 3
19 Placer Visit Number 20
44 Admit date 14
45 Discharge date 14
19 of 25

ORC Segment
Field # Field name Format Notes
1 Order Control 2 'RE'
OBR Segment
Merge LIS v. 3.8 HL7 Interface Specification
2 Placer Order Number 10 Placer order number or Merge LIS lab
number if order created in Merge LIS.
3 Merge LIS Order Number 10^8 Placer accession number (ID)
12 Attending Doctor Note 3
Field # Field name Format Notes
1 Set ID 3 Sequential number starting at '1'
2 Placer Test Number 10^8 May be supported by host; placer device
code included with results (along with
corresponding ZPS segment)
3 Filler Order Number 10 Merge LIS Lab Number.
4 Test ID 8^30~5 Procedure ID
5 Priority 2
6 Order Date/Time 14
7 Draw Date/Time 14 Whether already drawn or future draw
9 Collection volume 3
10 Collector Identifier 8^30^3
0^30^5
^5^5^^
^^^^^8
Draw tech ID, last name, first name, MI,
suffix, prefix, degree, ward
11 Specimen Action Code 1 Orders only: 'A' add test to existing
specimen, 'G' reflexed by lab, 'L' lab to
obtain specimen
14 Specimen Received Date/Time 14
15 Specimen Source 8 Sample type Code.
16 Ordering Provider Note 3
22 Results Reported Date/Time 14 Date/time that test was first reported to any
destination
20 of 25

Field # Field name Format Notes
OBX Segment
Merge LIS v. 3.8 HL7 Interface Specification
25 Result Status 1 Results only: 'O' = order received, specimen
not yet received; 'X' = no results available,
order canceled; 'F' = final results; 'R' =
results stored, not yet verified, 'A' = some,
but not all, results available, 'S' = no results
available, procedure scheduled but not
done, 'I' = incomplete, 'C' = correction, 'P' =
preliminary
26 Parent Isolate ^Isolat
e#
Used for associating a microbiology
identification or sensitivity panel to a specific
exam; this field will contain the isolate
number (matches any OBX.4 results under
the exam's OBR)
27 Quantity/Timing 1 Component 6 for stat or routine.
28 "Copy to" providers Note 3 Up to three repeats
29 Parent Exam 8 Used for associating a microbiology
identification or sensitivity panel to a specific
exam; this field will contain the exam test
code (found in field four of the exam's OBR)
31 Diagnosis 8^220 ICD-9 code and descriptions; up to four
repeats
37 Number of expected containers 2
45 Billing modifiers 2 Up to four repeats
Field # Field name Format Notes
1 Set ID 1 Sequential number starting at '1'
2 Value Type 2 "NM", "ST", or "FT"
3 Result code 8^30 Code, name; note that in the case of
microbiology exams, the same result code
can exist in more than one OBX for the
exam OBR, each having a different OBX.4
Isolate number; e.g. "Organism name"
4 Isolate number 2 Used to separate microbiology exam results
by isolate, e.g. organism name, colony
count, etc. Required field for all exam
results.
5 Observation Value 5000 Numeric, alpha, or text
21 of 25

Field # Field name Format Notes
ZPS Segment
Merge LIS v. 3.8 HL7 Interface Specification
6 Units 10 Units for numeric procedure
7 Reference Range 17 Reference range for numeric procedure
8 Abnormal Flags 2 'L' = below low normal; 'H' = above high
normal; 'LL' = below lower panic limits; 'HH'
= above upper panic limits; '' =
above absolute high/off instrument scale; 'N'
= normal; 'A' = abnormal (non-numeric
result): 'AA' = very abnormal (non-numeric
results), 'U' = significant change up, 'D' =
significant change down, 'S' = susceptible
(micro only), 'R' = resistant (micro only), 'I' =
intermediate (micro only), 'MS' = moderately
susceptible (micro only), 'VS' = very
susceptible (micro only); supports up to two
repeats
11 Result Status 1 'C' = correction; 'D' = deleted; 'F' = final
result; 'I' = result pending, 'P' = preliminary,
'R' = entered but not verified, 'X' = results
cannot be obtained
14 Result date/time 14 Date/time that result was generated (not
when result was verified)
15 Producer's ID 8 Required if result not generated in FFlex
Connect; will be corresponding ZPS
segment
16 Accepting Tech 8^30^3
0^30^5
^5^5
Field # Field name Format Notes
1 Set ID 1 '1'
2 Device Code 8
3 Device Name 30
4 Device Address Note 2
Accepting tech ID, last name, first name, MI,
suffix, prefix, degree
Note 1: "Person" fields support: Last name,^First name^ middle name
Note 2: "Address" fields support: street address^other address^city^state^zip
Note 3: "Providers" are represented as: FFlex Connect ID^last name^first name^^^^^Coding System
22 of 25

HL7 Example Message Formats
ADT Example
Merge LIS v. 3.8 HL7 Interface Specification
MSH|^~\&|AEMRADT|415|ERI|415|20030730041703||ADT^A08|00000000000177948|P|2.3
PID||36996-13|36996-13||WHITE^TEST^W^^|SMITH|19441215|F|NONE||1540 E
CONSTITUTION^^LONG BEACH^CA^90001^^^||(480)795-3023|(480)795-
3333||||00012350583|015348184||||
PV1|1|I|ER||||10830^ATTEND^ING|20830^REF^ALICE^|30830^LEE^CONSULT^||||||||40830^LEE^ADMIT
^||3509319|
DG1|1||001.9^CHOLERA NOS|
GT1|1|000614848|WHITE^TEST^W^^||1540 E CONSTITUTION^^LONG
BEACH^CA^90001^^^|(505)791-1023||19441215|F||1|015348184|
IN1|1|PLAN001|210012|BANNER CHOICE PLUS|445 W 5TH PLACE #108^^LOS
ANGELES^CA^90002||(800)333-4444|BHA001|VALLEY MC||||||PI|WHITE^TEST^W^^|1|19441215|155 E
2nd^^LONG BEACH^CA^90001^^^||||||||||||N|||||123456|
Charge Example
MSH|^~\&|Labpak|RGMG_LBPK|INTERGY|RGMG_INTERGY|201008201705||DFT^P03|082017050601|
P|2.3.1|||NE|NE
EVN|P03|201008201705
PID|1|M1302|||TEST^PATIENT^T^^||19670101|M|||123 8th street^apt.22b^long
beach^CA^90802^||^^^^^714^5551212|^^^^^714^2225555||||873lfif|4441113||||||||||
PV1|1|O|^^^^^^^||||||||||||||||V4735|||||||||||||||||||||||||201008201648|
FT1|1||1|201008201648||CG|CBC^COMPLETE BLOOD
COUNT^L|||1||||||^^^|||100.0||||15175||CBC^COMPLETE BLOOD COUNT^L|GA
FT1|2||1|201008201648||CG|ALC^ALCOHOL, ETHYL^L|||1||||||^^^|||||||15175||ALC^ALCOHOL,
ETHYL^L|GA
FT1|3||1|201008201648||CG|A1C^A1C^L|||1||||||^^^|||||||15175||A1C^A1C^L|GA
GT1|1||TEST^PATIENT^T^^||123 8th street^^long beach^CA^90802^||||||5|
IN1|1|PLANID12T34||MEDICARE|^^^^^|||GROUP23|||||||TR|TEST^JOHN^M^^|5||^^^^^||||||||||||N|||||POLIC
Y1234
23 of 25

Order Example
Merge LIS v. 3.8 HL7 Interface Specification
MSH|^~\&|TEST|LAB|FFLEX|TEST|20030723120318||ORM^O01|163|T|2.3||||NE|NE
PID||36996-13|36996-13||WHITE^TEST^W^^|SMITH|19441215|F|NONE||1540 E
CONSTITUTION^^LONG BEACH^CA^90001^^^||(480)795-3023|(480)795-
3333||||00012350583|015348184||||
NTE|1||Patient Level Comment Only
PV1|1|I|ER||||10830^ATTEND^ING|20830^REF^ALICE^|30830^LEE^CONSULT^||||||||40830^LEE^ADMIT
^||3501319|
DG1|1||001.9^CHOLERA NOS|
GT1|1|000614848|WHITE^TEST^W^^||1540 E CONSTITUTION^^LONG
BEACH^CA^90001^^^|(505)791-1023||19441215|F||1|015348184|
IN1|1|PLAN001|210012|BANNER CHOICE PLUS|445 W 5TH PLACE #108^^LOS
ANGELES^CA^90002||(800)333-4444|BHA001|VALLEY MC||||||PI|WHITE^TEST^W^^|1|19441215|155 E
2nd^^LONG BEACH^CA^90001^^^||||||||||||N|||||123456|
ORC|NW|000000064|||||||20030723114728|||20830^REF^ALICE^
OBR|2|000000064||ALT^ALT^L|R|20030723114734|20030723115904||4~CC|Tech|N|||20030723115904|B
LDV~BLOOD VENOUS^^^LA~LEFT ARM|40830^LEE^ADMIT^|||||||||||||||285.29^ANEMIA OF OTHER
CHRONIC ILLNESS (285.29)^I9||||||||||||||
NTE|1||N FASTING
DG1|1||285.29^ANEMIA OF OTHER CHRONIC ILLNESS|
OBR|2|000000064||ALB^ALBUMIN^L|R|20030723114734|20030723115904||4~CC|Tech|N|||20030723115
904|BLDV~BLOOD VENOUS^^^LA~LEFT ARM|40830^LEE^ADMIT^|||||||||||||||285.29^ANEMIA OF
OTHER CHRONIC ILLNESS (285.29)^I9||||||||||||||
Result Example
MSH|^~\&|LAB|Merge||EMR Partner|201008201704||ORU^R01|082017045701|P|2.3|||NE|NE
PID|1||M1302||TEST^PATIENT^T^^||19670101|M|||123 8th street^apt.22b^long
beach^CA^90802^||(714)555-1212|(714)222-5555||||873lfif|4441113||||||||||
PV1|1|O|RGH^^^RGH^^^^||||999999^TEST^TEST^^^^^L||9999^TEST^DOCTOR^^^^^L||||||||288^ALBRIG
HT^MD^^^^^L||V4735|||||||||||||||||||||||||201008201648|
ORC|RE||15175|||||||||288^ALBRIGHT^MD^^^^^L|
OBR|1||15175|CBC^COMPLETE BLOOD
COUNT^L|R|201008201650|201008201648|||BB^RGH^^^^^^^^^^^^RGH||||201008201648|B|288^ALBRIG
HT^MD^^^^^L||||||20100820170246|||F|^|||||100.0||||||||||||||GA
OBX|1|NM|WBC^WBC^L||4.0|10\S\3/MM\S\3|3.6-11.1||||F|||201008201652|RGH|ADM
OBX|2|NM|RBC^RBC^L||5.10|10\S\6/MM\S\3|4.50-5.90||||F|||201008201652|RGH|ADM
OBX|3|NM|HGB^HGB^L||12.5|g/dL|12.0-18.0||||F|||201008201652|RGH|ADM
OBX|4|NM|HCT^HCT^L||38.3|%|37.0-54.0||||F|||201008201652|RGH|ADM
24 of 25

Merge LIS v. 3.8 HL7 Interface Specification
OBX|5|NM|MCV^MCV^L||78|um\S\3|77-99||||F|||201008201652|RGH|ADM
OBX|6|NM|MCH^MCH^L||25.5|PG|25.2-32.7||||F|||201008201652|RGH|ADM
OBX|7|NM|MCHC^MCHC^L||32.0|g/dL|31.0-36.8||||F|||201008201652|RGH|ADM
OBX|8|NM|PLT^PLT^L||145|10\S\3/MM\S\3|130-400||||F|||201008201652|RGH|ADM
OBX|9|NM|LYMPH%^LYMPH %^L||36.0|%|25.0-50.0||||F|||201008201652|RGH|ADM
OBX|10|NM|MONO%^MONO%^L||2.0|%|2.0-10.0||||F|||201008201652|RGH|ADM
OBX|11|NM|NEUT%^NEUT %^L||55.0|%|50.0-80.0||||F|||201008201652|RGH|ADM
OBX|12|NM|EOS%^EOS%^L||4.1|%|0.0-5.0||||F|||201008201652|RGH|ADM
OBX|13|NM|BASO%^BASO%^L||2.0|%|0.0-2.0||||F|||201008201652|RGH|ADM
OBX|14|NM|LYMPH#^LYMPH#^L||1.00|10\S\3/MM\S\3|1.00-5.00||||F|||201008201652|RGH|ADM
OBX|15|NM|MONO#^MONO#^L||1.00|10\S\3/MM\S\3|0.10-1.00||||F|||201008201652|RGH|ADM
OBX|16|NM|NEUT#^NEUT #^L||2.00|10\S\3/MM\S\3|2.00-8.00||||F|||201008201652|RGH|ADM
OBX|17|NM|EOS#^EOS #^L||1.50|10\S\3/MM\S\3|0.00-0.40|H|||F|||201008201652|RGH|ADM
OBX|18|NM|BASO#^BASO #^L||0.10|10\S\3/MM\S\3|0.00-0.20||||F|||201008201652|RGH|ADM
OBX|19|NM|RDW^RDW^L||10.0|%|13.0-16.0|L|||F|||201008201652|RGH|ADM
OBX|20|NM|MPV^MPV^L||7.6|um\S\3|7.4-10.4||||F|||201008201652|RGH|ADM
OBX|21|ST|COM 1:^COMMENT1:^L||*** Unable to give accurate Platelet count due to
clumping.||||||F|||201008201652|RGH|ADM
OBX|22|ST|COMT1^COMMENT:^L||NOT SUITABLE FOR ANALYSIS||||||F|||201008201652|RGH|ADM
ORC|RE||15175|||||||||288^ALBRIGHT^MD^^^^^L|
OBR|2||15175|ALC^ALCOHOL,
ETHYL^L|R|201008201650|201008201648|||BB^RGH^^^^^^^^^^^^RGH||||201008201648|B|288^ALBRIG
HT^MD^^^^^L||||||20100820170246|||F|^|||||||||||||||||||GA
OBX|1|NM|ALC^ALCOHOL (ETHANOL)^L||36|mg/dL|0-32|H|||F|||201008201650|RGH|ADM
ORC|RE||15175|||||||||288^ALBRIGHT^MD^^^^^L|
OBR|3||15175|A1C^A1C^L|R|201008201650|201008201648|||BB^RGH^^^^^^^^^^^^RGH||||20100820164
8|B|288^ALBRIGHT^MD^^^^^L||||||20100820170246|||F|^|||||||||||||||||||GA
OBX|1|NM|HBA1C^HBA1C^L||5.0|%|4.2-6.3||||F|||201008201650|RGH|ADM
25 of 25