C63.00 Malignant neoplasm of unspecified epididymis

Billable ICD-10-CM code, FY2026.

Risk adjustment (HCC)

• CMS-HCC V28: HCC 23 — Prostate, Breast, and Other Cancers and Tumors
• CMS-HCC V22: HCC 12 — Breast, Prostate, and Other Cancers and Tumors
• RxHCC V08: HCC 22 — Prostate, Breast, Bladder, and Other Cancers and Tumors
• ESRD V24: HCC 12

MS-DRG index

Defines the logic of DRG(s) 715-716 in MDC 12.

Approximate ICD-9-CM (GEMs)

• 187.5 Malignant neoplasm of epididymis (approximate)

Code annotations containing back-references to C63.00

Back-references to C63

• Type 2 Excludes: C43 Malignant melanoma of skin ("malignant melanoma of skin of genital organs (C51-C52, C60.-, C63.-)")

Nearby codes

• C63 Malignant neoplasm of other and unspecified male genital organs
• C63.0 Malignant neoplasm of epididymis
• C63.00 Malignant neoplasm of unspecified epididymis (this code)
• C63.01 Malignant neoplasm of right epididymis
• C63.02 Malignant neoplasm of left epididymis
• C63.1 Malignant neoplasm of spermatic cord
• C63.10 Malignant neoplasm of unspecified spermatic cord
• C63.11 Malignant neoplasm of right spermatic cord