O36.11 — Maternal care for Anti-A sensitization
Is O36.11 billable?
No — O36.11 is a non-billable header code. O36.11 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 O36.11.
Billable codes under this header
- O36.1110Maternal care for Anti-A sensitization, first trimester, not applicable or unspecified
- O36.1111Maternal care for Anti-A sensitization, first trimester, fetus 1
- O36.1112Maternal care for Anti-A sensitization, first trimester, fetus 2
- O36.1113Maternal care for Anti-A sensitization, first trimester, fetus 3
- O36.1114Maternal care for Anti-A sensitization, first trimester, fetus 4
- O36.1115Maternal care for Anti-A sensitization, first trimester, fetus 5
- O36.1119Maternal care for Anti-A sensitization, first trimester, other fetus
- O36.1120Maternal care for Anti-A sensitization, second trimester, not applicable or unspecified
- O36.1121Maternal care for Anti-A sensitization, second trimester, fetus 1
- O36.1122Maternal care for Anti-A sensitization, second trimester, fetus 2
- O36.1123Maternal care for Anti-A sensitization, second trimester, fetus 3
- O36.1124Maternal care for Anti-A sensitization, second trimester, fetus 4
- O36.1125Maternal care for Anti-A sensitization, second trimester, fetus 5
- O36.1129Maternal care for Anti-A sensitization, second trimester, other fetus
- O36.1130Maternal care for Anti-A sensitization, third trimester, not applicable or unspecified
- O36.1131Maternal care for Anti-A sensitization, third trimester, fetus 1
- O36.1132Maternal care for Anti-A sensitization, third trimester, fetus 2
- O36.1133Maternal care for Anti-A sensitization, third trimester, fetus 3
- O36.1134Maternal care for Anti-A sensitization, third trimester, fetus 4
- O36.1135Maternal care for Anti-A sensitization, third trimester, fetus 5
- O36.1139Maternal care for Anti-A sensitization, third trimester, other fetus
- O36.1190Maternal care for Anti-A sensitization, unspecified trimester, not applicable or unspecified
- O36.1191Maternal care for Anti-A sensitization, unspecified trimester, fetus 1
- O36.1192Maternal care for Anti-A sensitization, unspecified trimester, fetus 2
- O36.1193Maternal care for Anti-A sensitization, unspecified trimester, fetus 3
- O36.1194Maternal care for Anti-A sensitization, unspecified trimester, fetus 4
- O36.1195Maternal care for Anti-A sensitization, unspecified trimester, fetus 5
- O36.1199Maternal care for Anti-A sensitization, unspecified trimester, other fetus
O36.11 at a glance
| Code | O36.11 |
|---|---|
| Description | Maternal care for Anti-A sensitization |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is O36.11 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to O36.11. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Isoimmunization NEC › affecting management of pregnancy
- Incompatibility › ABO › affecting management of pregnancy
- Incompatibility › bloodNEC › affecting management of pregnancy
- Isoimmunization NEC › affecting management of pregnancy › anti-A sensitization
- Pregnancy › complicated by › isoimmunization (single) (uterine)
- Incompatibility › ABO › affecting management of pregnancy › anti-A sensitization
- Incompatibility › bloodNEC › affecting management of pregnancy › anti-A sensitization
- Pregnancy › complicated by › isoimmunization › anti-A sensitization (single) (uterine)
- Pregnancy › complicated by › hydrops › fetalis › associated with isoimmunization (single) (uterine)
Inclusion terms
Alternative wording in documentation that is classified to O36.11.
- Maternal care for isoimmunization NOS (with hydrops fetalis)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O36.11 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 O36.11 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 O36.11 to fully describe the condition. O36.11 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 O36.11, but a patient may have both at the same time. When documentation supports it, O36.11 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O36
The conditions below are not part of O36.11, but a patient may have both at the same time. When documentation supports it, O36.11 and the excluded code may both be reported.
- labor and delivery complicated by fetal stress (O77.-)
What codes fall under O36.11? (4)
- O36.111Maternal care for Anti-A sensitization, first trimesternot billable
- O36.112Maternal care for Anti-A sensitization, second trimesternot billable
- O36.113Maternal care for Anti-A sensitization, third trimesternot billable
- O36.119Maternal care for Anti-A sensitization, unspecified trimesternot billable
How long has O36.11 existed?
O36.11 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.