ICD-10-CM 2027
ICD-10 code for Granulosa cell tumor
From the official ICD-10-CM alphabetic index entry “Tumor › granulosa cell”. Page updated September 29, 2026.
About coding Granulosa cell tumor
The ICD-10-CM code for Granulosa cell tumor is D39.1 (Neoplasm of uncertain behavior of ovary). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on D39.1.
Within D39 (neoplasm of uncertain behavior of female genital organs), D39.1 is specifically for neoplasm of uncertain behavior of ovary. Related codes cover uterus (D39.0), placenta (D39.2), other specified female genital organs (D39.8) and female genital organ, unspecified (D39.9).
To report this condition, pick the subcode that matches the documentation: D39.10 (ovary), D39.11 (ovary) and D39.12 (ovary).
Use an additional code to identify any functional activity.
More specific Granulosa cell tumor codes (official index)
Common questions about Granulosa cell tumor ICD-10 codes
What is the ICD-10 code for Granulosa cell tumor?
- D39.1 — Neoplasm of uncertain behavior of ovary (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: D39.1, C56.
What is the ICD-10 code for juvenile granulosa cell tumor?
- D39.1 — Neoplasm of uncertain behavior of ovary (header code; choose a more specific subcode).
What is the ICD-10 code for malignant granulosa cell tumor?
- C56 — Malignant neoplasm of ovary (header code; choose a more specific subcode).
Is D39.1 billable?
- No. D39.1 is a header code. Report one of its more specific subcodes instead.