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

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Tobacco use disorder complicating pregnancy, childbirth, and the puerperium is O99.33 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
O94-O9A: Other obstetric conditions, not elsewhere classified (O94-O9A)
Category O99
124 codes (96 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O99.33:

  • Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › tobacco use disorder (smoking)
  • Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › smoking (tobacco)
  • Tobacco (nicotine) › use › complicating › pregnancy
  • Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › mental disorders (conditions in F01-F09, F20-F52 and F54-F99) › smoking
Use Additional Code
  • code from category F17 to identify type of tobacco nicotine dependence

Inclusion Terms

  • Smoking complicating pregnancy, childbirth, and the puerperium

Official Coding Guidelines

Assign O99.33 + secondary F17 for tobacco use in pregnancy/postpartum

2) Tobacco use during pregnancy, childbirth and the puerperium Codes under subcategory O99.33, Smoking (tobacco) complicating pregnancy, childbirth, and the puerperium, should be assigned for any pregnancy case when a patient uses any type of tobacco product during the pregnancy or postpartum. A secondary code from category F17, Nicotine dependence, should also be assigned to identify the type of nicotine dependence.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.15.l.2

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference O99.33 with the canonical source and edition:

O99.33 — Tobacco use disorder complicating pregnancy, childbirth, and the puerperium. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/O99.33

Canonical URL: https://icd10codingpro.com/codes/O99.33

Related Codes

Parent Code

O99.3 Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium

More Specific Codes

O99.330 Smoking (tobacco) complicating pregnancy, unspecified trimester O99.331 Smoking (tobacco) complicating pregnancy, first trimester O99.332 Smoking (tobacco) complicating pregnancy, second trimester O99.333 Smoking (tobacco) complicating pregnancy, third trimester O99.334 Smoking (tobacco) complicating childbirth O99.335 Smoking (tobacco) complicating the puerperium

Other Codes Under O99.3

O99.31 Alcohol use complicating pregnancy, childbirth, and the puerperium O99.32 Drug use complicating pregnancy, childbirth, and the puerperium O99.34 Other mental disorders complicating pregnancy, childbirth, and the puerperium O99.35 Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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