Is O11.9 a billable ICD-10-CM code?

Yes. O11.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does O11.9 sit in the tabular list?

Pregnancy, childbirth and the puerperium (O00-O9A), in the block Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16).

O11.9

O11.9 — Pre-existing hypertension with pre-eclampsia, unspecified trimester

Billable / specific codeICD-10-CM

O11.9 is a billable, specific ICD-10-CM code for pre-existing hypertension with pre-eclampsia, unspecified trimester. It is valid for submission on a claim.

Risk adjustment

O11.9 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.

Related codes at this level

Codes that share O11. If O11.9 is not quite right, the correct code is usually one of these.

O11.1Pre-existing hypertension with pre-eclampsia, first trimester
O11.2Pre-existing hypertension with pre-eclampsia, second trimester
O11.3Pre-existing hypertension with pre-eclampsia, third trimester
O11.4Pre-existing hypertension with pre-eclampsia, complicating childbirth
O11.5Pre-existing hypertension with pre-eclampsia, complicating the puerperium

Questions about O11.9

Is O11.9 a billable ICD-10-CM code?: Yes. O11.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does O11.9 sit in the tabular list?: Pregnancy, childbirth and the puerperium (O00-O9A), in the block Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16).