ICDcodes.org
FY2027

O36.839 — Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester

Not billable

Is O36.839 billable?

No — O36.839 is a non-billable header code. O36.839 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 7 billable codes beneath O36.839.

O36.839 at a glance

CodeO36.839
DescriptionMaternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is O36.839 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under O36.83, the nearest indexed parent of O36.839. Use them to find the family, then select the specific code.

  • Pregnancy › complicated by › abnormal, abnormality › fetal heart rate or rhythm (single) (uterine)
  • Pregnancy › complicated by › fetal › bradycardia (single) (uterine)
  • Pregnancy › complicated by › fetal › depressed heart rate tones (single) (uterine)
  • Pregnancy › complicated by › fetal › heart rate irregularity (single) (uterine)
  • Pregnancy › complicated by › fetal › non-reassuring heart rate or rhythm (single) (uterine)

Excludes1 — never code together — inherited from Chapter 15

The conditions below can never be reported together with O36.839 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.-)

Excludes1 — never code together — inherited from O36

The conditions below can never be reported together with O36.839 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
  • placental transfusion syndromes (O43.0-)

Use additional code — inherited from Chapter 15

Report an additional code alongside O36.839 to fully describe the condition. O36.839 is sequenced first.

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

Excludes2 — not included here — inherited from Chapter 15

The conditions below are not part of O36.839, but a patient may have both at the same time. When documentation supports it, O36.839 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 O36

The conditions below are not part of O36.839, but a patient may have both at the same time. When documentation supports it, O36.839 and the excluded code may both be reported.

  • labor and delivery complicated by fetal stress (O77.-)

What codes fall under O36.839? (7)

How long has O36.839 existed?

O36.839 first appears in FY2018 (FY2017 is not available, so it may have appeared then).

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 O36.83 family? (3)