HL7 CDA R2 AIS Implementation Guide

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HL7 Additional Information Specification Implementation GuideCDAR2AIS0000R0304 Supporting InformationThis section provides non-normative information that may be useful to those creating attachmentsunder this specification.4.1 Additional Information in the Specification PackageThe following information will be provided with this specification as non-normative appendices.• XSL Stylesheet for human interpretation of "human-decision" and "computer-decision"variants of CDA Attachments Documents.• README.TXT identifying the files in the package• Various XML files containing examplesThe schema and stylesheet files that are provided are not part of the balloted content of thestandard. Their use by implementers of the standard is entirely optional. HL7 intends to issueimprovements to these documents from time to time without changing the official ballotedrecommendation.Page 72March 2007Copyright © 1998-2007Health Level Seven, Inc. All rights reserved.Release 3.0 Draft Standard
HL7 Additional Information Specification Implementation GuideCDAR2AIS0000R0305 Response Code SetsAn Additional Information Specification document usually contains all the code tables required tocreate an attachment in the computer decision variant. Due to its length, however, the followingtable is included here and cited in the Additional Information Specification documents.5.1 Unified Code of Units of Measure (UCUM)The Unified Code for Units of Measure (UCUM) is used throughout this implementation guideand AIS documents to codify the measurement unit of a physical quantity. Earlier datatransmission standards utilized various units derived from American (ANS, ANS+) orinternational (ISO, ISO+) lists of measurement units.The following list contains those units of measurement likely to be used in attachments. Amapping of UCUM codes to ISO+ codes is included. A complete list of the UCUM values, alongwith supporting documentation and other background, can be obtained from:http://aurora.regenstrief.org/ucumNote the usage of square brackets surrounding several of the UCUM codes. This is explainedmore fully in the UCUM documentation (see above link), and generally indicates multi-wordunits, customary local units, or very rare units. The focus of UCUM is not on a human-readableset of units, and according to the UCUM documentation, if the unit symbols are to be displayedor printed, the square brackets can be removed.HL7 v3 data types fix any use of UCUM; therefore, an OID does not need to be specified.Table 5.1-1 UCUM code set for units for physical quantities.UCUM Code ISO+ Code Nameg/(kg.d) g/(kg.d) (Gram / Kilogram) / Day = gram / (kilogram × day) (e.g., massdose of medication per body weight per day)g/(kg.h) g/(kg.hr) (Gram / Kilogram) / Hour = gram / (kilogram × hour) (e.g., massdose of medication per body weight per hour)g/(kg.min) g/(kg.min) (Gram / Kilogram) / Minute = gram / (kilogram × minute) (e.g.,mass dose of medication per body weight per minute)g/(8.kg.h) g/(8.kg.hr) (Gram / Kilogram) /8 Hour Shift = gram / (kilogram × 8 hour shift)(e.g., mass dose of medication per body weight per 8 hourshift)ug/(8.h.kg) ug/(8.hr.kg) (Microgram / Kilogram) / 8 hour shift = microgram / (kilogram × 8hour shift) (e.g., mass dose of medication per patient bodyweight per 8 hour shift)ug/(kg.h) ug/(kg.hr) (Microgram / Kilogram) / Hour = microgram / (kilogram × hours)(e.g., mass dose of medication per patient body weight perhour)ug/(kg.min) ug/(kg.min) (Microgram / Kilogram) / Minute = microgram / (kilogram ×minute) (e.g., mass dose of medication per patient bodyweight per minute)ug/(kg.d) ug/(kg.d) (Microgram / Kilogram) /Day = microgram / (kilogram × day) (e.g.,mass dose of medication per patient body weight per day)Copyright © 1998-2007 Health Level Seven, Inc. All rights reserved.Release 3.0 Draft StandardPage 73March 2007
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HL7 CDA R2 AIS Implementation Guide

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