ICD-10 Code for Thecoma

The ICD-10-CM code for thecoma is D27 — Benign neoplasm of ovary. This is the code the Alphabetic Index gives for thecoma with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

Not billable

D27 cannot be submitted on a claim. It is a header code, so a more specific code from the list below is required.

Which thecoma code should you use?

The Alphabetic Index lists 2 codes under Thecoma. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

luteinizedD27Not billableBenign neoplasm of ovary
malignantC56Not billableMalignant neoplasm of ovary

Codes under D27

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources