O99.33UpcomingCategory · further specificity required

Tobacco use disorder complicating pregnancy, childbirth, and the puerperium

Code-level instructions

Use additional code

code from category F17 to identify type of tobacco nicotine dependence

Chapters 15 · Inherited instructions

Use additional code

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Excludes 1

supervision of normal pregnancy (Z34.-)

O99 · Inherited instructions

Use additional code

code to identify specific condition

Excludes 2 · 5

Chapters 15 · Pregnancy, childbirth and the puerperium (O00-O9A)

Excludes 2

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

O99 · Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

Excludes 2

when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

More specific codes

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

Claims & coverage

When ICD-10-CM is required

For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.

Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.

Official coding guidelines → · CMS ↗

First observed · 2015-10-01

Code history

Latest recorded change · FY2024

ChangedUnchanged

FY2024

Effective from 2023-10-01

Inherited rules changed

Tobacco use disorder complicating pregnancy, childbirth, and the puerperium

Category — select a more specific code

CDC/NCHS · FY2024

All editions (19)

All editions	Effective from	Code history
FY2016	2015-10-01	First observed
FY2017	2016-10-01	Title changed · Code-level rules changed · Inherited rules changed
FY2018	2017-10-01	No tabular change
FY2019	2018-10-01	Inherited rules changed
FY2020	2019-10-01	No tabular change
FY2020 · April	2020-04-01	No tabular change
FY2021	2020-10-01	No tabular change
FY2021 · 01-01	2021-01-01	No tabular change
FY2022	2021-10-01	No tabular change
FY2022 · 04-01	2022-04-01	No tabular change
FY2023	2022-10-01	No tabular change
FY2023 · 04-01	2023-04-01	No tabular change
FY2024	2023-10-01	Inherited rules changed
FY2024 · 04-01	2024-04-01	No tabular change
FY2025	2024-10-01	No tabular change
FY2025 · 04-01	2025-04-01	No tabular change
FY2026	2025-10-01	No tabular change
FY2026 · April	2026-04-01	No tabular change
FY2027	2026-10-01	No tabular change

Code-level instructions

Inclusion terms

Smoking complicating pregnancy, childbirth, and the puerperium

Use additional code

code from category F17 to identify type of tobacco nicotine dependence

Inherited instructions

Chapters 15 · Pregnancy, childbirth and the puerperium (O00-O9A)

Excludes 1

supervision of normal pregnancy (Z34.-)

Excludes 2

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

Use additional code

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Note

CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
1st trimester- less than 14 weeks 0 days
2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
3rd trimester- 28 weeks 0 days until delivery

O99 · Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

Includes

conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care

Excludes 2

when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

Use additional code

code to identify specific condition

More specific codes

O99.330Smoking (tobacco) complicating pregnancy, unspecified trimesterBillable / specific O99.331Smoking (tobacco) complicating pregnancy, first trimesterBillable / specific O99.332Smoking (tobacco) complicating pregnancy, second trimesterBillable / specific O99.333Smoking (tobacco) complicating pregnancy, third trimesterBillable / specific O99.334Smoking (tobacco) complicating childbirthBillable / specific O99.335Smoking (tobacco) complicating the puerperiumBillable / specific

Official index references (4)

Pregnancy(single) (uterine) (3)

Tobacco(nicotine) (1)

Tobacco(nicotine) › use › complicating › pregnancyDisease index

Related codes

Other entries in the same category; these are not automatic substitutes.

Code	Description	Category · further specificity required
O99.31	Alcohol use complicating pregnancy, childbirth, and the puerperium	Category · further specificity required
O99.32	Drug use complicating pregnancy, childbirth, and the puerperium	Category · further specificity required
O99.34	Other mental disorders complicating pregnancy, childbirth, and the puerperium	Category · further specificity required
O99.35	Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium	Category · further specificity required

Official titles and instructions are preserved in their source language. Official sources ↗

References from other codes (2)

F17 · Nicotine dependence

Excludes 2 · tobacco use (smoking) during pregnancy, childbirth and the puerperium (O99.33-)

Z72.0 · Tobacco use

Excludes 1 · tobacco use during pregnancy (O99.33-)

O99.33UpcomingCategory · further specificity required

Tobacco use disorder complicating pregnancy, childbirth, and the puerperium

Code-level instructions

Use additional code

code from category F17 to identify type of tobacco nicotine dependence

Chapters 15 · Inherited instructions

Use additional code

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Excludes 1

supervision of normal pregnancy (Z34.-)

O99 · Inherited instructions

Use additional code

code to identify specific condition

Excludes 2 · 5

Chapters 15 · Pregnancy, childbirth and the puerperium (O00-O9A)

Excludes 2

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

O99 · Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

Excludes 2

when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

More specific codes

Claims & coverage

When ICD-10-CM is required

For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.

Official coding guidelines → · CMS ↗

First observed · 2015-10-01

Code history

Latest recorded change · FY2024

ChangedUnchanged

FY2024

Effective from 2023-10-01

Inherited rules changed

Tobacco use disorder complicating pregnancy, childbirth, and the puerperium

Category — select a more specific code

CDC/NCHS · FY2024

All editions (19)

All editions	Effective from	Code history
FY2016	2015-10-01	First observed
FY2017	2016-10-01	Title changed · Code-level rules changed · Inherited rules changed
FY2018	2017-10-01	No tabular change
FY2019	2018-10-01	Inherited rules changed
FY2020	2019-10-01	No tabular change
FY2020 · April	2020-04-01	No tabular change
FY2021	2020-10-01	No tabular change
FY2021 · 01-01	2021-01-01	No tabular change
FY2022	2021-10-01	No tabular change
FY2022 · 04-01	2022-04-01	No tabular change
FY2023	2022-10-01	No tabular change
FY2023 · 04-01	2023-04-01	No tabular change
FY2024	2023-10-01	Inherited rules changed
FY2024 · 04-01	2024-04-01	No tabular change
FY2025	2024-10-01	No tabular change
FY2025 · 04-01	2025-04-01	No tabular change
FY2026	2025-10-01	No tabular change
FY2026 · April	2026-04-01	No tabular change
FY2027	2026-10-01	No tabular change

Code-level instructions

Inclusion terms

Smoking complicating pregnancy, childbirth, and the puerperium

Use additional code

code from category F17 to identify type of tobacco nicotine dependence

Inherited instructions

Chapters 15 · Pregnancy, childbirth and the puerperium (O00-O9A)

Excludes 1

supervision of normal pregnancy (Z34.-)

Excludes 2

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

Use additional code

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Note

CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
1st trimester- less than 14 weeks 0 days
2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
3rd trimester- 28 weeks 0 days until delivery

O99 · Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

Includes

conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care

Excludes 2

when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

Use additional code

code to identify specific condition

More specific codes

Official index references (4)

Pregnancy(single) (uterine) (3)

Tobacco(nicotine) (1)

Tobacco(nicotine) › use › complicating › pregnancyDisease index

Related codes

Other entries in the same category; these are not automatic substitutes.

Code	Description	Category · further specificity required
O99.31	Alcohol use complicating pregnancy, childbirth, and the puerperium	Category · further specificity required
O99.32	Drug use complicating pregnancy, childbirth, and the puerperium	Category · further specificity required
O99.34	Other mental disorders complicating pregnancy, childbirth, and the puerperium	Category · further specificity required
O99.35	Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium	Category · further specificity required

Official titles and instructions are preserved in their source language. Official sources ↗

References from other codes (2)

F17 · Nicotine dependence

Excludes 2 · tobacco use (smoking) during pregnancy, childbirth and the puerperium (O99.33-)

Z72.0 · Tobacco use

Excludes 1 · tobacco use during pregnancy (O99.33-)