O36.83 — Maternal care for abnormalities of the fetal heart rate or rhythm
Is O36.83 billable?
No — O36.83 is a non-billable header code. O36.83 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 28 billable codes beneath O36.83.
Billable codes under this header
- O36.8310Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, not applicable or unspecified
- O36.8311Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 1
- O36.8312Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 2
- O36.8313Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 3
- O36.8314Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 4
- O36.8315Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, fetus 5
- O36.8319Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester, other fetus
- O36.8320Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, not applicable or unspecified
- O36.8321Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, fetus 1
- O36.8322Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, fetus 2
- O36.8323Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, fetus 3
- O36.8324Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, fetus 4
- O36.8325Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, fetus 5
- O36.8329Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester, other fetus
- O36.8330Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, not applicable or unspecified
- O36.8331Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, fetus 1
- O36.8332Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, fetus 2
- O36.8333Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, fetus 3
- O36.8334Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, fetus 4
- O36.8335Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, fetus 5
- O36.8339Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester, other fetus
- O36.8390Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, not applicable or unspecified
- O36.8391Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 1
- O36.8392Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 2
- O36.8393Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 3
- O36.8394Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 4
- O36.8395Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 5
- O36.8399Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, other fetus
O36.83 at a glance
| Code | O36.83 |
|---|---|
| Description | Maternal care for abnormalities of the fetal heart rate or rhythm |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is O36.83 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to O36.83. They show the wording a clinician may have documented, which often differs from the Tabular description.
- 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)
Inclusion terms
Alternative wording in documentation that is classified to O36.83.
- Maternal care for depressed fetal heart rate tones
- Maternal care for fetal bradycardia
- Maternal care for fetal heart rate abnormal variability
- Maternal care for fetal heart rate decelerations
- Maternal care for fetal heart rate irregularity
- Maternal care for fetal tachycardia
- Maternal care for non-reassuring fetal heart rate or rhythm
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O36.83 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 O36.83 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 15
Report an additional code alongside O36.83 to fully describe the condition. O36.83 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 O36.83, but a patient may have both at the same time. When documentation supports it, O36.83 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O36
The conditions below are not part of O36.83, but a patient may have both at the same time. When documentation supports it, O36.83 and the excluded code may both be reported.
- labor and delivery complicated by fetal stress (O77.-)
What codes fall under O36.83? (4)
- O36.831Maternal care for abnormalities of the fetal heart rate or rhythm, first trimesternot billable
- O36.832Maternal care for abnormalities of the fetal heart rate or rhythm, second trimesternot billable
- O36.833Maternal care for abnormalities of the fetal heart rate or rhythm, third trimesternot billable
- O36.839Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimesternot billable
How long has O36.83 existed?
O36.83 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.