Is O99.33 a billable ICD-10-CM code?

No. O99.33 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does O99.33 sit in the tabular list?

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

O99.33

O99.33 — Tobacco use disorder complicating pregnancy, childbirth, and the puerperium

Non-billable headerICD-10-CM

O99.33 is a non-billable header ICD-10-CM code for tobacco use disorder 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 from category F17 to identify type of tobacco nicotine dependence

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Smoking complicating pregnancy, childbirth, and the puerperium

Other codes that can never be billed with O99.33

These codes carry an Excludes1 note pointing at O99.33. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading O99.33 alone.

Z72.0Tobacco use

Risk adjustment

O99.33 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 O99.33

6 child codes. Green means billable.

Related codes at this level

Codes that share O99.3. If O99.33 is not quite right, the correct code is usually one of these.

Questions about O99.33

Is O99.33 a billable ICD-10-CM code?: No. O99.33 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does O99.33 sit in the tabular list?: Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other obstetric conditions, not elsewhere classified (O94-O9A).