C62.9 Malignant neoplasm of testis, unspecified whether descended or undescended

The ICD-10-CM code for Malignant neoplasm of testis, unspecified whether descended or undescended is C62.9 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Chapter

2: Neoplasms (C00-D49)

Section

C60-C63: Malignant neoplasms of male genital organs (C60-C63)

Category C62

13 codes (9 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to C62.9:

• Orchioblastoma
• Spermatocytoma
• Seminoma
• Teratoma (solid) › testis
• Embryoma › testis
• Embryoma › malignant › testis
• Sertoli cell › carcinoma › unspecified site (male)
• Leydig cell › carcinoma › unspecified site › male

Official Coding Guidelines

Tx of primary site (TOC entry)

a. Admission/Encounter for treatment of primary site ............................................................. 33

Tx of secondary site (TOC entry)

b. Admission/Encounter for treatment of secondary site .......................................................... 33

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool