What is the ICD-10 code for Hydatidiform mole?

The ICD-10-CM code for Hydatidiform mole is O01 (fiscal year 2026). O01 is a non-billable category code — a more specific code such as O01.0 is required for claims.

What does ICD-10 code O01 mean?

O01 is the ICD-10-CM diagnosis code for Hydatidiform mole. Hydatidiform mole

Is O01 a billable ICD-10 code?

No, O01 is not a billable code. You may need to select a more specific code from this category.

What chapter is O01 in?

O01 is classified under Chapter 15: Pregnancy, childbirth and the puerperium (O00-O9A), Section O00-O08: Pregnancy with abortive outcome (O00-O08).

What are the includes and excludes for O01?

Excludes1 (not coded here): chorioadenoma (destruens) (D39.2); malignant hydatidiform mole (D39.2).

What more specific codes exist under O01?

More specific codes under O01 include: O01.0, O01.1, O01.9. Select the most specific code that matches the clinical documentation.

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

Chapter: 15: Pregnancy, childbirth and the puerperium (O00-O9A)
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

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Reference O01 with the canonical source and edition:

O01 — Hydatidiform mole. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/O01

Canonical URL: https://icd10codingpro.com/codes/O01

O01 Hydatidiform mole

Classification

Official Coding Guidelines

References

Cite This Page

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