ICD-10-CM 2027
ICD-10 code for partial hydatidiform mole
From the official ICD-10-CM alphabetic index entry “Hydatidiform mole (benign) (complicating pregnancy) (delivered) (undelivered) › partial”. Page updated September 29, 2026.
About coding partial hydatidiform mole
The ICD-10-CM code for partial hydatidiform mole is O01.1 (Incomplete and partial hydatidiform mole).
Within O01 (hydatidiform mole), O01.1 is specifically for incomplete and partial hydatidiform mole. Related codes cover classical hydatidiform mole (O01.0) and unspecified (O01.9).
Use an additional code from category O08 to identify any associated complication.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about partial hydatidiform mole ICD-10 codes
What is the ICD-10 code for partial hydatidiform mole?
- O01.1 — Incomplete and partial hydatidiform mole.
Is O01.1 billable?
- Yes. O01.1 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can O01.1 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict O01.1 as a principal diagnosis.
Is O01.1 a CC or MCC?
- No. O01.1 is neither a CC nor an MCC under MS-DRG v44.0.