O36.1132

✓ Billable

Maternal care for Anti-A sensitization, third trimester, fetus 2

Pregnancy, childbirth and the puerperium (O00-O9A)

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❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

O36

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

⚠️ Excludes2

inherited

Rules inherited from parent codes.

O36

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

Clinical Description

ICD-10-CM code O36.1132 represents maternal care for anti-a sensitization, third trimester, fetus 2. This code falls under the Pregnancy, childbirth and the puerperium (O00-O9A) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 8-character code at the 7th level of specificity. This is the most specific code available in this subcategory. Coders should note that O36.1132 has 2 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code O36.1132?

ICD-10-CM code O36.1132 is "Maternal care for Anti-A sensitization, third trimester, fetus 2". It belongs to the category: Pregnancy, childbirth and the puerperium (O00-O9A).

Is O36.1132 a billable ICD-10 code?

Yes, O36.1132 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with O36.1132?

O36.1132 has 2 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can O36.1132 be coded with other codes?

O36.1132 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in O36.113

Other codes in the same category that may be relevant for differential coding:

O36.1130Maternal care for Anti-A sensitization, third trimester, not applicable or unspecified O36.1131Maternal care for Anti-A sensitization, third trimester, fetus 1 O36.1133Maternal 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

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Code Information

CodeO36.1132

BillableYes

ParentO36.113

CategoryPregnancy, childbirth and the puerperium (O00-O9A)

Excludes12 rule(s)

Excludes21 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)