D40.12

Billable

Neoplasm of uncertain behavior of left testis

D40.12 is the ICD-10-CM code for Neoplasm of uncertain behavior of left testis. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
C00-D49
Parent
D40.1
Edition
FY2026

C00-D49 Neoplasms

What this means — in plain language

MedlinePlus · NIH

What is testicular cancer? Testicular cancer is a cancer that develops in the tissues of one or both testicles. The testicles, or testes, are part of the male reproductive system. They make male hormones and sperm. They are two egg-shaped glands inside the scrotum, a sac of loose skin that lies below the penis. You can get cancer in one or both testicles. Who is most likely to develop testicular cancer? Testicular…

Read more about Testicular Cancer at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code D40.12?
D40.12 is the ICD-10-CM code for "Neoplasm of uncertain behavior of left testis". It falls under C00-D49 Neoplasms.
Is D40.12 a billable code?
Yes — D40.12 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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