ICDcodes.org
FY2027

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

Not billable

Is O99.33 billable?

No — O99.33 is a non-billable header code. O99.33 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 6 billable codes beneath O99.33.

O99.33 at a glance

CodeO99.33
DescriptionTobacco use disorder complicating pregnancy, childbirth, and the puerperium
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is O99.33 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to O99.33. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Pregnancy › complicated by › smoking (single) (uterine)
  • Pregnancy › complicated by › tobacco use disorder (single) (uterine)
  • Pregnancy › complicated by › mental disorders › smoking (single) (uterine)
  • Tobacco › use › complicating › pregnancy (nicotine)

Use additional code

Report an additional code alongside O99.33 to fully describe the condition. O99.33 is sequenced first.

  • code from category F17 to identify type of tobacco nicotine dependence

Inclusion terms

Alternative wording in documentation that is classified to O99.33.

  • Smoking complicating pregnancy, childbirth, and the puerperium

Excludes1 — never code together — inherited from Chapter 15

The conditions below can never be reported together with O99.33 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • supervision of normal pregnancy (Z34.-)

Use additional code — inherited from Chapter 15

Report an additional code alongside O99.33 to fully describe the condition. O99.33 is sequenced first.

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

Use additional code — inherited from O99

Report an additional code alongside O99.33 to fully describe the condition. O99.33 is sequenced first.

  • code to identify specific condition

Excludes2 — not included here — inherited from Chapter 15

The conditions below are not part of O99.33, but a patient may have both at the same time. When documentation supports it, O99.33 and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from O99

The conditions below are not part of O99.33, but a patient may have both at the same time. When documentation supports it, O99.33 and the excluded code may both be reported.

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

What codes fall under O99.33? (6)

How long has O99.33 existed?

O99.33 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Description changes
  • FY2018
    Smoking (tobacco) complicating pregnancy, childbirth, and the puerperium
    Tobacco use disorder complicating pregnancy, childbirth, and the puerperium

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

What other codes are in the O99.3 family? (4)