MCMCB Pro
O24.424

O24.424Gestational diabetes mellitus in childbirth, insulin controlled

Billable / specific codeICD-10-CM

O24.424 is a billable, specific ICD-10-CM code for gestational diabetes mellitus in childbirth, insulin controlled. It is valid for submission on a claim.

Risk adjustment

O24.424 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

How O24.424 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to O24.424.

  • Diabetes, diabeticgestationalin childbirthinsulin controlled(and diet)
  • Deliverycomplicatedbydiabetesgestationalinsulin controlled
  • Deliverycomplicatedbygestationaldiabetesinsulin controlled(and diet)

Related codes at this level

Codes that share O24.42. If O24.424 is not quite right, the correct code is usually one of these.

Questions about O24.424

Is O24.424 a billable ICD-10-CM code?
Yes. O24.424 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does O24.424 sit in the tabular list?
Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other maternal disorders predominantly related to pregnancy (O20-O29).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.