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ICD-10-CM · FY 2026 APRIL UPDATE

O41

Other disorders of amniotic fluid and membranes

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
O41.0OligohydramniosCategory
O41.00Oligohydramnios, unspecified trimesterCategory
O41.00X0Oligohydramnios, unspecified trimester, not applicable or unspecifiedBillable
O41.00X1Oligohydramnios, unspecified trimester, fetus 1Billable
O41.00X2Oligohydramnios, unspecified trimester, fetus 2Billable
O41.00X3Oligohydramnios, unspecified trimester, fetus 3Billable
O41.00X4Oligohydramnios, unspecified trimester, fetus 4Billable
O41.00X5Oligohydramnios, unspecified trimester, fetus 5Billable
O41.00X9Oligohydramnios, unspecified trimester, other fetusBillable
O41.01Oligohydramnios, first trimesterCategory
O41.01X0Oligohydramnios, first trimester, not applicable or unspecifiedBillable
O41.01X1Oligohydramnios, first trimester, fetus 1Billable
O41.01X2Oligohydramnios, first trimester, fetus 2Billable
O41.01X3Oligohydramnios, first trimester, fetus 3Billable
O41.01X4Oligohydramnios, first trimester, fetus 4Billable
O41.01X5Oligohydramnios, first trimester, fetus 5Billable
O41.01X9Oligohydramnios, first trimester, other fetusBillable
O41.02Oligohydramnios, second trimesterCategory
O41.02X0Oligohydramnios, second trimester, not applicable or unspecifiedBillable
O41.02X1Oligohydramnios, second trimester, fetus 1Billable
O41.02X2Oligohydramnios, second trimester, fetus 2Billable
O41.02X3Oligohydramnios, second trimester, fetus 3Billable
O41.02X4Oligohydramnios, second trimester, fetus 4Billable
O41.02X5Oligohydramnios, second trimester, fetus 5Billable
O41.02X9Oligohydramnios, second trimester, other fetusBillable
O41.03Oligohydramnios, third trimesterCategory
O41.03X0Oligohydramnios, third trimester, not applicable or unspecifiedBillable
O41.03X1Oligohydramnios, third trimester, fetus 1Billable
O41.03X2Oligohydramnios, third trimester, fetus 2Billable
O41.03X3Oligohydramnios, third trimester, fetus 3Billable

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.