O24.419 — Gestational diabetes mellitus in pregnancy, unspecified control
O24.419 is a billable, specific ICD-10-CM code for gestational diabetes mellitus in pregnancy, unspecified control. It is valid for submission on a claim.
Risk adjustment
O24.419 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.
Medicare coverage
O24.419 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56686Billing and Coding: HbA1c
How O24.419 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 O24.419.
- Diabetes, diabetic›gestational(in pregnancy)
Related codes at this level
Codes that share O24.41. If O24.419 is not quite right, the correct code is usually one of these.
Questions about O24.419
- Is O24.419 a billable ICD-10-CM code?
- Yes. O24.419 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does O24.419 sit in the tabular list?
- Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other maternal disorders predominantly related to pregnancy (O20-O29).