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O01

Non-billable

Hydatidiform mole

O01 is the ICD-10-CM code for Hydatidiform mole. It is a non-billable category code — use a more specific child code such as O01.0 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Subcodes
3
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

Excludes1 — not coded here

  • •chorioadenoma (destruens) (D39.2)
  • •malignant hydatidiform mole (D39.2)

Use additional code

  • •code from category O08 to identify any associated complication.

Frequently asked questions

What is ICD-10 code O01?
O01 is the ICD-10-CM code for "Hydatidiform mole". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O01 a billable code?
No — O01 is a non-billable header code. Use a more specific child code (such as O01.0) for billing.
What are the subcodes of O01?
O01 has 3 more specific child codes, including O01.0, O01.1, O01.9.
What is excluded from O01?
Excludes1 (not coded here): chorioadenoma (destruens) (D39.2); malignant hydatidiform mole (D39.2).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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