ICD-10-CM › O00-O9A › O20-O29 › O24.01 Pre-existing type 1 diabetes... › O24.011

O24.011

Pre-existing type 1 diabetes mellitus, in pregnancy, first trimester

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 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. FY2007 Added to the draft code set draft Pre-existing diabetes mellitus, type 1, in pregnancy, first trimester
  2. FY2017 Description revised Pre-existing diabetes mellitus, type 1, in pregnancy, first trimester Pre-existing type 1 diabetes mellitus, in pregnancy, first trimester

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
O24.012 Pre-existing type 1 diabetes mellitus, in pregnancy, second trimester Valid
O24.013 Pre-existing type 1 diabetes mellitus, in pregnancy, third trimester Valid
O24.019 Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester Valid