Is O24 a billable code?
No. O24 is a header code that groups 42 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
O24: Diabetes mellitus in pregnancy, childbirth, and the puerperium
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
O24 groups related diagnoses under 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
- O24.011Pre-existing type 1 diabetes mellitus, in pregnancy, first trimester
- O24.012Pre-existing type 1 diabetes mellitus, in pregnancy, second trimester
- O24.013Pre-existing type 1 diabetes mellitus, in pregnancy, third trimester
- O24.019Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester
- O24.02Pre-existing type 1 diabetes mellitus, in childbirth
- O24.03Pre-existing type 1 diabetes mellitus, in the puerperium
- O24.111Pre-existing type 2 diabetes mellitus, in pregnancy, first trimester
- O24.112Pre-existing type 2 diabetes mellitus, in pregnancy, second trimester
- O24.113Pre-existing type 2 diabetes mellitus, in pregnancy, third trimester
- O24.119Pre-existing type 2 diabetes mellitus, in pregnancy, unspecified trimester
- O24.12Pre-existing type 2 diabetes mellitus, in childbirth
- O24.13Pre-existing type 2 diabetes mellitus, in the puerperium
- 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
- O24.410Gestational diabetes mellitus in pregnancy, diet controlled
- O24.414Gestational diabetes mellitus in pregnancy, insulin controlled
- O24.415Gestational diabetes mellitus in pregnancy, controlled by oral hypoglycemic drugs
- O24.419Gestational diabetes mellitus in pregnancy, unspecified control
- O24.420Gestational diabetes mellitus in childbirth, diet controlled
- O24.424Gestational diabetes mellitus in childbirth, insulin controlled
- O24.425Gestational diabetes mellitus in childbirth, controlled by oral hypoglycemic drugs
- O24.429Gestational diabetes mellitus in childbirth, unspecified control
- O24.430Gestational diabetes mellitus in the puerperium, diet controlled
- O24.434Gestational diabetes mellitus in the puerperium, insulin controlled
- O24.435Gestational diabetes mellitus in puerperium, controlled by oral hypoglycemic drugs
- O24.439Gestational diabetes mellitus in the puerperium, unspecified control
- O24.811Other pre-existing diabetes mellitus in pregnancy, first trimester
- O24.812Other pre-existing diabetes mellitus in pregnancy, second trimester
- O24.813Other pre-existing diabetes mellitus in pregnancy, third trimester
- O24.819Other pre-existing diabetes mellitus in pregnancy, unspecified trimester
- O24.82Other pre-existing diabetes mellitus in childbirth
- O24.83Other pre-existing diabetes mellitus in the puerperium
- O24.911Unspecified diabetes mellitus in pregnancy, first trimester
- O24.912Unspecified diabetes mellitus in pregnancy, second trimester
- O24.913Unspecified diabetes mellitus in pregnancy, third trimester
- O24.919Unspecified diabetes mellitus in pregnancy, unspecified trimester
- O24.92Unspecified diabetes mellitus in childbirth
- O24.93Unspecified diabetes mellitus in the puerperium
O24 questions
What does O24 mean?
O24 is the ICD-10-CM code for 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.