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ICD-10-CM · FY 2026 APRIL UPDATE

O36.2

Maternal care for hydrops fetalis

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
O36.20Maternal care for hydrops fetalis, unspecified trimesterCategory
O36.20X0Maternal care for hydrops fetalis, unspecified trimester, not applicable or unspecifiedBillable
O36.20X1Maternal care for hydrops fetalis, unspecified trimester, fetus 1Billable
O36.20X2Maternal care for hydrops fetalis, unspecified trimester, fetus 2Billable
O36.20X3Maternal care for hydrops fetalis, unspecified trimester, fetus 3Billable
O36.20X4Maternal care for hydrops fetalis, unspecified trimester, fetus 4Billable
O36.20X5Maternal care for hydrops fetalis, unspecified trimester, fetus 5Billable
O36.20X9Maternal care for hydrops fetalis, unspecified trimester, other fetusBillable
O36.21Maternal care for hydrops fetalis, first trimesterCategory
O36.21X0Maternal care for hydrops fetalis, first trimester, not applicable or unspecifiedBillable
O36.21X1Maternal care for hydrops fetalis, first trimester, fetus 1Billable
O36.21X2Maternal care for hydrops fetalis, first trimester, fetus 2Billable
O36.21X3Maternal care for hydrops fetalis, first trimester, fetus 3Billable
O36.21X4Maternal care for hydrops fetalis, first trimester, fetus 4Billable
O36.21X5Maternal care for hydrops fetalis, first trimester, fetus 5Billable
O36.21X9Maternal care for hydrops fetalis, first trimester, other fetusBillable
O36.22Maternal care for hydrops fetalis, second trimesterCategory
O36.22X0Maternal care for hydrops fetalis, second trimester, not applicable or unspecifiedBillable
O36.22X1Maternal care for hydrops fetalis, second trimester, fetus 1Billable
O36.22X2Maternal care for hydrops fetalis, second trimester, fetus 2Billable
O36.22X3Maternal care for hydrops fetalis, second trimester, fetus 3Billable
O36.22X4Maternal care for hydrops fetalis, second trimester, fetus 4Billable
O36.22X5Maternal care for hydrops fetalis, second trimester, fetus 5Billable
O36.22X9Maternal care for hydrops fetalis, second trimester, other fetusBillable
O36.23Maternal care for hydrops fetalis, third trimesterCategory
O36.23X0Maternal care for hydrops fetalis, third trimester, not applicable or unspecifiedBillable
O36.23X1Maternal care for hydrops fetalis, third trimester, fetus 1Billable
O36.23X2Maternal care for hydrops fetalis, third trimester, fetus 2Billable
O36.23X3Maternal care for hydrops fetalis, third trimester, fetus 3Billable
O36.23X4Maternal care for hydrops fetalis, third 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.