O36.81 — Decreased fetal movements
Is O36.81 billable?
No — O36.81 is a non-billable header code. O36.81 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 21 billable codes beneath O36.81.
Billable codes under this header
- O36.8120Decreased fetal movements, second trimester, not applicable or unspecified
- O36.8121Decreased fetal movements, second trimester, fetus 1
- O36.8122Decreased fetal movements, second trimester, fetus 2
- O36.8123Decreased fetal movements, second trimester, fetus 3
- O36.8124Decreased fetal movements, second trimester, fetus 4
- O36.8125Decreased fetal movements, second trimester, fetus 5
- O36.8129Decreased fetal movements, second trimester, other fetus
- O36.8130Decreased fetal movements, third trimester, not applicable or unspecified
- O36.8131Decreased fetal movements, third trimester, fetus 1
- O36.8132Decreased fetal movements, third trimester, fetus 2
- O36.8133Decreased fetal movements, third trimester, fetus 3
- O36.8134Decreased fetal movements, third trimester, fetus 4
- O36.8135Decreased fetal movements, third trimester, fetus 5
- O36.8139Decreased fetal movements, third trimester, other fetus
- O36.8190Decreased fetal movements, unspecified trimester, not applicable or unspecified
- O36.8191Decreased fetal movements, unspecified trimester, fetus 1
- O36.8192Decreased fetal movements, unspecified trimester, fetus 2
- O36.8193Decreased fetal movements, unspecified trimester, fetus 3
- O36.8194Decreased fetal movements, unspecified trimester, fetus 4
- O36.8195Decreased fetal movements, unspecified trimester, fetus 5
- O36.8199Decreased fetal movements, unspecified trimester, other fetus
O36.81 at a glance
| Code | O36.81 |
|---|---|
| Description | Decreased fetal movements |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is O36.81 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to O36.81. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Pregnancy › complicated by › decreased fetal movement (single) (uterine)
- Pregnancy › complicated by › fetal › decreased movement (single) (uterine)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O36.81 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 O36.81 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 O36.81 to fully describe the condition. O36.81 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 O36.81, but a patient may have both at the same time. When documentation supports it, O36.81 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O36
The conditions below are not part of O36.81, but a patient may have both at the same time. When documentation supports it, O36.81 and the excluded code may both be reported.
- labor and delivery complicated by fetal stress (O77.-)
What codes fall under O36.81? (3)
How long has O36.81 existed?
O36.81 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.