O99.33 – Tobacco use disorder complicating pregnancy, childbirth, and the puerperium
ICD-10-CM 2027 diagnosis code · Other obstetric conditions, not elsewhere classified
- Code
O99.33(claims format:O9933)- Description
- Tobacco use disorder complicating pregnancy, childbirth, and the puerperium
- Short description
- Tobacco use disorder comp pregnancy, chldbrth, and the puerp
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 15. Pregnancy, childbirth and the puerperium (O00-O9A)
- Block
- O94-O9A Other obstetric conditions, not elsewhere classified
- Parent codes
- O99 › O99.3
Billable codes under O99.33
O99.33 is a header code and cannot be used on claims. Choose the most specific code:
- O99.330 – Smoking (tobacco) complicating pregnancy, unspecified trimesterBillable
- O99.331 – Smoking (tobacco) complicating pregnancy, first trimesterBillable
- O99.332 – Smoking (tobacco) complicating pregnancy, second trimesterBillable
- O99.333 – Smoking (tobacco) complicating pregnancy, third trimesterBillable
- O99.334 – Smoking (tobacco) complicating childbirthBillable
- O99.335 – Smoking (tobacco) complicating the puerperiumBillable
Notes for O99.33
- Smoking complicating pregnancy, childbirth, and the puerperium
- code from category F17 to identify type of tobacco nicotine dependence
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
O99 – Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
- conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care
- code to identify specific condition
Index terms for O99.33
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in O99.3
- O99.31 – Alcohol use complicating pregnancy, childbirth, and the puerperiumHeader
- O99.32 – Drug use complicating pregnancy, childbirth, and the puerperiumHeader
- O99.34 – Other mental disorders complicating pregnancy, childbirth, and the puerperiumHeader
- O99.35 – Diseases of the nervous system complicating pregnancy, childbirth, and the puerperiumHeader
Frequently asked questions
What is ICD-10 code O99.33?
O99.33 is the ICD-10-CM code for tobacco use disorder complicating pregnancy, childbirth, and the puerperium, in the block O94-O9A (Other obstetric conditions, not elsewhere classified).
Is O99.33 a billable code?
No. O99.33 is a header code with more specific child codes; report one of the billable codes listed above.
What category does O99.33 belong to?
It belongs to category O99 – Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.