O24.01
O24.01: Pre-existing type 1 diabetes mellitus, in pregnancy
Non-billable headerICD-10-CM
O24.01 is a non-billable header ICD-10-CM code for pre-existing type 1 diabetes mellitus, in pregnancy. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with O24.01
Their own Excludes1 notes name this code, so the conflict is not listed above.
- R73Elevated blood glucose level
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead O24.01
4 child codes. Green means billable.
- 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