ICD-10-CM › O00-O9A › O20-O29 › O24.3 Unspecified pre-existing diabetes... › O24.31

O24.31

Unspecified pre-existing diabetes mellitus in pregnancy

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 4 more specific codes instead:

  • O24.311 Unspecified pre-existing diabetes mellitus in pregnancy, first trimester
  • O24.312 Unspecified pre-existing diabetes mellitus in pregnancy, second trimester
  • O24.313 Unspecified pre-existing diabetes mellitus in pregnancy, third trimester
  • O24.319 Unspecified pre-existing diabetes mellitus in pregnancy, unspecified trimester

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.

  1. FY2012 Added to the draft code set draft Unspecified pre-existing diabetes mellitus in pregnancy

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 the O20-O29 section Other maternal disorders predominantly related to pregnancy (O20-O29)

Excludes2 - not included here

  • maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
  • maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Showing 40 of 90 index phrases.

Codes in the same group

CodeDescriptionStatus
O24.32 Unspecified pre-existing diabetes mellitus in childbirth Valid
O24.33 Unspecified pre-existing diabetes mellitus in the puerperium Valid