Weeks of gestation of pregnancy, weeks 20-29

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 10 more specific codes instead:

Z3A.20 20 weeks gestation of pregnancy
Z3A.21 21 weeks gestation of pregnancy
Z3A.22 22 weeks gestation of pregnancy
Z3A.23 23 weeks gestation of pregnancy
Z3A.24 24 weeks gestation of pregnancy
Z3A.25 25 weeks gestation of pregnancy
Z3A.26 26 weeks gestation of pregnancy
Z3A.27 27 weeks gestation of pregnancy
Z3A.28 28 weeks gestation of pregnancy
Z3A.29 29 weeks gestation of pregnancy

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2012 Added to the draft code set draft Weeks of gestation of pregnancy, weeks 20-29

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from Z3A Weeks of gestation

Code first

obstetric condition or encounter for delivery (O09-O60, O80-O82, O94-O9A)

Note

Codes from category Z3A are for use, only on the maternal record, to indicate the weeks of gestation of the pregnancy, if known.

Codes in the same group

Code	Description	Status
Z3A.0	Weeks of gestation of pregnancy, unspecified or less than 10 weeks	Not billable
Z3A.1	Weeks of gestation of pregnancy, weeks 10-19	Not billable
Z3A.3	Weeks of gestation of pregnancy, weeks 30-39	Not billable
Z3A.4	Weeks of gestation of pregnancy, weeks 40 or greater	Not billable