ICD-10-CM
O24.31
Unspecified pre-existing diabetes mellitus in pregnancy
- Kind
- Header. Not a billable code.
- Category
- O24
Codes under O24.31
A header groups codes and is not billed. A billable code is one you can report.
- O24.311Unspecified pre-existing diabetes mellitus in pregnancy, first trimesterBillable
- O24.312Unspecified pre-existing diabetes mellitus in pregnancy, second trimesterBillable
- O24.313Unspecified pre-existing diabetes mellitus in pregnancy, third trimesterBillable
- O24.319Unspecified pre-existing diabetes mellitus in pregnancy, unspecified trimesterBillable
It's the public CDC file. Check the official guidelines before you code.