Is O24.3 a billable code?
No. O24.3 is a header code that groups 6 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
O24.3: Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
O24.3 groups related diagnoses under unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under O24.3
- O24.311Unspecified pre-existing diabetes mellitus in pregnancy, first trimester
- O24.312Unspecified pre-existing diabetes mellitus in pregnancy, second trimester
- O24.313Unspecified pre-existing diabetes mellitus in pregnancy, third trimester
- O24.319Unspecified pre-existing diabetes mellitus in pregnancy, unspecified trimester
- O24.32Unspecified pre-existing diabetes mellitus in childbirth
- O24.33Unspecified pre-existing diabetes mellitus in the puerperium
Other codes in O24 Diabetes mellitus in pregnancy, childbirth, and the puerperium
- O24.0Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperiumheader
- O24.1Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperiumheader
- O24.4Gestational diabetes mellitusheader
- O24.8Other pre-existing diabetes mellitus in pregnancy, childbirth, and the puerperiumheader
- O24.9Unspecified diabetes mellitus in pregnancy, childbirth and the puerperiumheader
O24.3 questions
What does O24.3 mean?
O24.3 is the ICD-10-CM code for Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium. It is in chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.