O01.1

Billable
ChapterO00–O9A
Ranksubcategory
Official Description

Incomplete and partial hydatidiform mole

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Billable/specific code (valid for reimbursement).
  • Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).
General instructions are available for the parent sections:

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O00-O08Pregnancy with abortive outcome (O00-O08)
O01Hydatidiform mole
O01.1Incomplete and partial hydatidiform mole

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O01.1:

categoryO01
Hydatidiform mole
View context instructions
blockO00-O08
Pregnancy with abortive outcome (O00-O08)
View context instructions
chapterCH15
Pregnancy, childbirth and the puerperium (O00-O9A)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to O01.1. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths