Malignant neoplasm of left epididymis

This code signifies the presence of a primary cancerous tumor originating in the left epididymis. The epididymis is a coiled tube located at the back of the testicle that stores and carries sperm. Malignancies in this structure are rare.

Apply this code when documentation explicitly states a primary malignant neoplasm affecting the left epididymis. This diagnosis is typically confirmed through biopsy and histopathological examination. Use this code for the initial encounter and subsequent treatment of the primary tumor.

• Ensure laterality is clearly documented as "left"; if unspecified, a different code may be required.
• Distinguish between primary malignant neoplasm and metastatic disease to the epididymis; the latter would require a secondary malignancy code.
• Do not confuse with benign neoplasms of the epididymis or malignant neoplasms of the testis.