Is O99.21 a billable ICD-10-CM code?

No. O99.21 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does O99.21 sit in the tabular list?

Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other obstetric conditions, not elsewhere classified (O94-O9A).

O99.21

O99.21 — Obesity complicating pregnancy, childbirth, and the puerperium

Non-billable headerICD-10-CM

O99.21 is a non-billable header ICD-10-CM code for obesity complicating pregnancy, childbirth, and the puerperium. It cannot be billed on its own: choose one of the more specific child codes below.

Use additional code

Add a secondary code to capture the detail described below.

code to identify the type of obesity (E66.-)

Risk adjustment

O99.21 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 O99.21

6 child codes. Green means billable.

Related codes at this level

Codes that share O99.2. If O99.21 is not quite right, the correct code is usually one of these.

O99.28Other endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium

Questions about O99.21

Is O99.21 a billable ICD-10-CM code?: No. O99.21 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does O99.21 sit in the tabular list?: Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other obstetric conditions, not elsewhere classified (O94-O9A).