Prenatal Record - National Archives and Records Administration

DEFINITION OF CODES
GYNECOLOGICAL HISTORY
FORM OB-4
CARD 03o41
FIELD
1.
Card Number
Code: 0
CARD
COIDMN
1
2.
3·
4.
5­
6.
7.
Form Number 2-4
Code: 364
Revision Number* 5
Code: 1 - Form Dated: 1/59 or Rev. ll/59
NINDB Number 6-14
Nine-digit number for Patient Identification
Code: As given
Date Form Completed 15-20
Item 4
Su-digit code for month (cola. 15-16),
day (cola. 17-18) and year (cola. 19-20)
Code: As given
99 - Month, day a.rJd/or year unknown
Age At Onset 21-22
Item 6
Code: **00 - Never menstruated
o8-25 - As given
99 -Unknown
**.Add.itio~ codes reviewed and approved: 04-o7, 26
Duration of Menses 23-24
Item 7
Two-digit code for IDwest (col. 23) and
Highest (col. 24)
Code for es:clt coll.u!m.:
o - N..rer metlS"!;ruat·aa·
1-7 - Number -Q.~·day& as gives
8 - 8 0!1:"· more -«ays, irregular
9 - Unknown
l'rot:~
00 - Never menstruated; 89 - Irregular; 99 - Unknown
* Item numbers refer to Form Dated 11/59
Reproduced at the National Archives
II.A.61
OB-4