O01 Hydatidiform mole

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Hydatidiform mole is O01 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
O00-O08: Pregnancy with abortive outcome (O00-O08)
Category O01
4 codes (3 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with O01.
  • chorioadenoma (destruens) (D39.2)
  • malignant hydatidiform mole (D39.2)
Use Additional Code
  • code from category O08 to identify any associated complication.

Official Coding Guidelines

Z3A—do not assign for O00-O08, Z33.2, or postpartum conditions

Category Z3A codes should not be assigned for pregnancies with abortive outcomes (categories O00- O08), elective termination of pregnancy (code Z33.2), nor for postpartum conditions, as category Z3A is not applicable to these conditions.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.21.11

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

More Specific Codes

O01.0 Classical hydatidiform mole O01.1 Incomplete and partial hydatidiform mole O01.9 Hydatidiform mole, unspecified

Related Codes in O01

O01.0 Classical hydatidiform mole O01.1 Incomplete and partial hydatidiform mole O01.9 Hydatidiform mole, unspecified
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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