O99.81 — Abnormal glucose complicating pregnancy, childbirth and the puerperium
O99.81 is a non-billable header ICD-10-CM code for abnormal glucose complicating pregnancy, childbirth and the puerperium. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- gestational diabetes (O24.4-)
Other codes that can never be billed with O99.81
These codes carry an Excludes1 note pointing at O99.81. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading O99.81 alone.
- R73.0Abnormal glucose
Risk adjustment
O99.81 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.
Code to one of these instead O99.81
3 child codes. Green means billable.
Related codes at this level
Codes that share O99.8. If O99.81 is not quite right, the correct code is usually one of these.
- O99.82Streptococcus B carrier state complicating pregnancy, childbirth and the puerperium
- O99.83Other infection carrier state complicating pregnancy, childbirth and the puerperium
- O99.84Bariatric surgery status complicating pregnancy, childbirth and the puerperium
- O99.89Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium
Questions about O99.81
- Is O99.81 a billable ICD-10-CM code?
- No. O99.81 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does O99.81 sit in the tabular list?
- Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other obstetric conditions, not elsewhere classified (O94-O9A).
- What cannot be coded together with O99.81?
- O99.81 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.