O24.420
O24.420 — Gestational diabetes mellitus in childbirth, diet controlled
Billable / specific codeICD-10-CM
O24.420 is a billable, specific ICD-10-CM code for gestational diabetes mellitus in childbirth, diet controlled. It is valid for submission on a claim.
Risk adjustment
O24.420 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 O24.420 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 O24.420.
- Diabetes, diabetic›gestational›in childbirth›diet controlled
- Delivery›complicated›by›diabetes›gestational›diet controlled
- Delivery›complicated›by›gestational›diabetes›diet controlled
Related codes at this level
Codes that share O24.42. If O24.420 is not quite right, the correct code is usually one of these.
Questions about O24.420
- Is O24.420 a billable ICD-10-CM code?
- Yes. O24.420 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does O24.420 sit in the tabular list?
- Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other maternal disorders predominantly related to pregnancy (O20-O29).