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ICD-10-CM · FY 2026 APRIL UPDATE

O36.11

Maternal care for Anti-A sensitization

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
O36.111Maternal care for Anti-A sensitization, first trimesterCategory
O36.1110Maternal care for Anti-A sensitization, first trimester, not applicable or unspecifiedBillable
O36.1111Maternal care for Anti-A sensitization, first trimester, fetus 1Billable
O36.1112Maternal care for Anti-A sensitization, first trimester, fetus 2Billable
O36.1113Maternal care for Anti-A sensitization, first trimester, fetus 3Billable
O36.1114Maternal care for Anti-A sensitization, first trimester, fetus 4Billable
O36.1115Maternal care for Anti-A sensitization, first trimester, fetus 5Billable
O36.1119Maternal care for Anti-A sensitization, first trimester, other fetusBillable
O36.112Maternal care for Anti-A sensitization, second trimesterCategory
O36.1120Maternal care for Anti-A sensitization, second trimester, not applicable or unspecifiedBillable
O36.1121Maternal care for Anti-A sensitization, second trimester, fetus 1Billable
O36.1122Maternal care for Anti-A sensitization, second trimester, fetus 2Billable
O36.1123Maternal care for Anti-A sensitization, second trimester, fetus 3Billable
O36.1124Maternal care for Anti-A sensitization, second trimester, fetus 4Billable
O36.1125Maternal care for Anti-A sensitization, second trimester, fetus 5Billable
O36.1129Maternal care for Anti-A sensitization, second trimester, other fetusBillable
O36.113Maternal care for Anti-A sensitization, third trimesterCategory
O36.1130Maternal care for Anti-A sensitization, third trimester, not applicable or unspecifiedBillable
O36.1131Maternal care for Anti-A sensitization, third trimester, fetus 1Billable
O36.1132Maternal care for Anti-A sensitization, third trimester, fetus 2Billable
O36.1133Maternal care for Anti-A sensitization, third trimester, fetus 3Billable
O36.1134Maternal care for Anti-A sensitization, third trimester, fetus 4Billable
O36.1135Maternal care for Anti-A sensitization, third trimester, fetus 5Billable
O36.1139Maternal care for Anti-A sensitization, third trimester, other fetusBillable
O36.119Maternal care for Anti-A sensitization, unspecified trimesterCategory
O36.1190Maternal care for Anti-A sensitization, unspecified trimester, not applicable or unspecifiedBillable
O36.1191Maternal care for Anti-A sensitization, unspecified trimester, fetus 1Billable
O36.1192Maternal care for Anti-A sensitization, unspecified trimester, fetus 2Billable
O36.1193Maternal care for Anti-A sensitization, unspecified trimester, fetus 3Billable
O36.1194Maternal care for Anti-A sensitization, unspecified trimester, fetus 4Billable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.