ICD-10-CM
O41.02X4: Oligohydramnios, second trimester, fetus 4
A billable ICD-10-CM diagnosis code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
- Kind
- Billable code
- Category
- O41
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Nearby codes
A header groups codes and is not billed. A billable code is one you can report.
- 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
- O41.02X5Oligohydramnios, second trimester, fetus 5Billable
- O41.02X9Oligohydramnios, second trimester, other fetusBillable
It's the public CDC file. Check the current ICD-10-CM guidelines before you code.
Excludes1
Excludes1 means these codes are not reported together.
From O41. A note on a category applies to every code under it.