O36.59 — Maternal care for other known or suspected poor fetal growth
Is O36.59 billable?
No — O36.59 is a non-billable header code. O36.59 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 O36.59.
Billable codes under this header
- O36.5910Maternal care for other known or suspected poor fetal growth, first trimester, not applicable or unspecified
- O36.5911Maternal care for other known or suspected poor fetal growth, first trimester, fetus 1
- O36.5912Maternal care for other known or suspected poor fetal growth, first trimester, fetus 2
- O36.5913Maternal care for other known or suspected poor fetal growth, first trimester, fetus 3
- O36.5914Maternal care for other known or suspected poor fetal growth, first trimester, fetus 4
- O36.5915Maternal care for other known or suspected poor fetal growth, first trimester, fetus 5
- O36.5919Maternal care for other known or suspected poor fetal growth, first trimester, other fetus
- O36.5920Maternal care for other known or suspected poor fetal growth, second trimester, not applicable or unspecified
- O36.5921Maternal care for other known or suspected poor fetal growth, second trimester, fetus 1
- O36.5922Maternal care for other known or suspected poor fetal growth, second trimester, fetus 2
- O36.5923Maternal care for other known or suspected poor fetal growth, second trimester, fetus 3
- O36.5924Maternal care for other known or suspected poor fetal growth, second trimester, fetus 4
- O36.5925Maternal care for other known or suspected poor fetal growth, second trimester, fetus 5
- O36.5929Maternal care for other known or suspected poor fetal growth, second trimester, other fetus
- O36.5930Maternal care for other known or suspected poor fetal growth, third trimester, not applicable or unspecified
- O36.5931Maternal care for other known or suspected poor fetal growth, third trimester, fetus 1
- O36.5932Maternal care for other known or suspected poor fetal growth, third trimester, fetus 2
- O36.5933Maternal care for other known or suspected poor fetal growth, third trimester, fetus 3
- O36.5934Maternal care for other known or suspected poor fetal growth, third trimester, fetus 4
- O36.5935Maternal care for other known or suspected poor fetal growth, third trimester, fetus 5
- O36.5939Maternal care for other known or suspected poor fetal growth, third trimester, other fetus
- O36.5990Maternal care for other known or suspected poor fetal growth, unspecified trimester, not applicable or unspecified
- O36.5991Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 1
- O36.5992Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 2
- O36.5993Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 3
- O36.5994Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 4
- O36.5995Maternal care for other known or suspected poor fetal growth, unspecified trimester, fetus 5
- O36.5999Maternal care for other known or suspected poor fetal growth, unspecified trimester, other fetus
O36.59 at a glance
| Code | O36.59 |
|---|---|
| Description | Maternal care for other known or suspected poor fetal growth |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is O36.59 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to O36.59. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Light-for-dates › affecting management of pregnancy (infant)
- Restriction › growth › fetal
- Pregnancy › complicated by › fetal › growth retardation (single) (uterine)
- Pregnancy › complicated by › fetal › poor growth (single) (uterine)
- Pregnancy › complicated by › fetal › growth retardation › light for dates (single) (uterine)
- Pregnancy › complicated by › fetal › growth retardation › small for dates (single) (uterine)
- Pregnancy › complicated by › fetal › poor growth › light for dates (single) (uterine)
- Pregnancy › complicated by › fetal › poor growth › small for dates (single) (uterine)
Inclusion terms
Alternative wording in documentation that is classified to O36.59.
- Maternal care for known or suspected light-for-dates NOS
- Maternal care for known or suspected small-for-dates NOS
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O36.59 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 O36.59 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 O36.59 to fully describe the condition. O36.59 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 O36.59, but a patient may have both at the same time. When documentation supports it, O36.59 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O36
The conditions below are not part of O36.59, but a patient may have both at the same time. When documentation supports it, O36.59 and the excluded code may both be reported.
- labor and delivery complicated by fetal stress (O77.-)
What codes fall under O36.59? (4)
- O36.591Maternal care for other known or suspected poor fetal growth, first trimesternot billable
- O36.592Maternal care for other known or suspected poor fetal growth, second trimesternot billable
- O36.593Maternal care for other known or suspected poor fetal growth, third trimesternot billable
- O36.599Maternal care for other known or suspected poor fetal growth, unspecified trimesternot billable
How long has O36.59 existed?
O36.59 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.