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ICD-10-CM · FY 2026 APRIL UPDATE

O36.09

Maternal care for other rhesus isoimmunization

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
O36.091Maternal care for other rhesus isoimmunization, first trimesterCategory
O36.0910Maternal care for other rhesus isoimmunization, first trimester, not applicable or unspecifiedBillable
O36.0911Maternal care for other rhesus isoimmunization, first trimester, fetus 1Billable
O36.0912Maternal care for other rhesus isoimmunization, first trimester, fetus 2Billable
O36.0913Maternal care for other rhesus isoimmunization, first trimester, fetus 3Billable
O36.0914Maternal care for other rhesus isoimmunization, first trimester, fetus 4Billable
O36.0915Maternal care for other rhesus isoimmunization, first trimester, fetus 5Billable
O36.0919Maternal care for other rhesus isoimmunization, first trimester, other fetusBillable
O36.092Maternal care for other rhesus isoimmunization, second trimesterCategory
O36.0920Maternal care for other rhesus isoimmunization, second trimester, not applicable or unspecifiedBillable
O36.0921Maternal care for other rhesus isoimmunization, second trimester, fetus 1Billable
O36.0922Maternal care for other rhesus isoimmunization, second trimester, fetus 2Billable
O36.0923Maternal care for other rhesus isoimmunization, second trimester, fetus 3Billable
O36.0924Maternal care for other rhesus isoimmunization, second trimester, fetus 4Billable
O36.0925Maternal care for other rhesus isoimmunization, second trimester, fetus 5Billable
O36.0929Maternal care for other rhesus isoimmunization, second trimester, other fetusBillable
O36.093Maternal care for other rhesus isoimmunization, third trimesterCategory
O36.0930Maternal care for other rhesus isoimmunization, third trimester, not applicable or unspecifiedBillable
O36.0931Maternal care for other rhesus isoimmunization, third trimester, fetus 1Billable
O36.0932Maternal care for other rhesus isoimmunization, third trimester, fetus 2Billable
O36.0933Maternal care for other rhesus isoimmunization, third trimester, fetus 3Billable
O36.0934Maternal care for other rhesus isoimmunization, third trimester, fetus 4Billable
O36.0935Maternal care for other rhesus isoimmunization, third trimester, fetus 5Billable
O36.0939Maternal care for other rhesus isoimmunization, third trimester, other fetusBillable
O36.099Maternal care for other rhesus isoimmunization, unspecified trimesterCategory
O36.0990Maternal care for other rhesus isoimmunization, unspecified trimester, not applicable or unspecifiedBillable
O36.0991Maternal care for other rhesus isoimmunization, unspecified trimester, fetus 1Billable
O36.0992Maternal care for other rhesus isoimmunization, unspecified trimester, fetus 2Billable
O36.0993Maternal care for other rhesus isoimmunization, unspecified trimester, fetus 3Billable
O36.0994Maternal care for other rhesus isoimmunization, 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.