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ICD-10-CM 2027

ICD-10 code for kidney filling defect

R93.42

Abnormal radiologic findings on diagnostic imaging of kidney

Header — needs a more specific code

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

About coding kidney filling defect

The ICD-10-CM code for kidney filling defect is R93.42 (Abnormal radiologic findings on diagnostic imaging of kidney).

Within R93.4 (abnormal findings on diagnostic imaging of urinary organs), R93.42 is specifically for abnormal radiologic findings on diagnostic imaging of kidney. Related codes cover renal pelvis, ureter, or bladder (R93.41) and other urinary organs (R93.49).

To report this condition, pick the subcode that matches the documentation: R93.421 (kidney), R93.422 (kidney) and R93.429 (kidney).

It was added in FY2017, effective October 1, 2016.

Common questions about kidney filling defect ICD-10 codes

What is the ICD-10 code for kidney filling defect?

R93.42 — Abnormal radiologic findings on diagnostic imaging of kidney (a header code; report a more specific subcode).

Is R93.42 billable?

No. R93.42 is a header code. Report one of its more specific subcodes instead.