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ICD-10-CM 2027

ICD-10 code for Mesoblastic nephroma

D41.0

Neoplasm of uncertain behavior of kidney

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Nephroma › mesoblastic”. Page updated September 29, 2026.

About coding Mesoblastic nephroma

The ICD-10-CM code for Mesoblastic nephroma is D41.0 (Neoplasm of uncertain behavior of kidney).

Within D41 (neoplasm of uncertain behavior of urinary organs), D41.0 is specifically for neoplasm of uncertain behavior of kidney. Related codes cover renal pelvis (D41.1), ureter (D41.2), urethra (D41.3), bladder (D41.4), other specified urinary organs (D41.8) and unspecified urinary organ (D41.9).

To report this condition, pick the subcode that matches the documentation: D41.00 (kidney), D41.01 (kidney) and D41.02 (kidney).

Don't report D41.0 together with the conditions in its Excludes1 note: neoplasm of uncertain behavior of renal pelvis (D41.1-).

Don't confuse with (Excludes1 for D41.0)

  • neoplasm of uncertain behavior of renal pelvis (D41.1-)

Common questions about Mesoblastic nephroma ICD-10 codes

What is the ICD-10 code for Mesoblastic nephroma?

D41.0 — Neoplasm of uncertain behavior of kidney (a header code; report a more specific subcode).

Is D41.0 billable?

No. D41.0 is a header code. Report one of its more specific subcodes instead.