D40.12: Neoplasm of uncertain behavior of left testis
D40.12 is the billable ICD-10-CM diagnosis code for Neoplasm of uncertain behavior of left testis. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code D40.12?
D40.12 is the ICD-10-CM diagnosis code for Neoplasm of uncertain behavior of left testis. It belongs to category D40 (Neoplasm of uncertain behavior of male genital organs).
Is D40.12 a billable code?
Yes. D40.12 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does D40.12 belong to?
D40.12 is part of ICD-10-CM category D40 — Neoplasm of uncertain behavior of male genital organs, which has 12 billable codes.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free