R93.421 Abnormal radiologic findings on diagnostic imaging of right kidney

Billable ICD-10-CM code, FY2026.

Applies from R93.4 Abnormal findings on diagnostic imaging of urinary organs

Excludes2 (not included here)

• hypertrophy of kidney (N28.81)

MS-DRG index

Defines the logic of DRG(s) 695-696 in MDC 11.

Approximate ICD-9-CM (GEMs)

• 793.5 Nonspecific (abnormal) findings on radiological and other examination of genitourinary organs (approximate)

Code annotations containing back-references to R93.421

Back-references to R93

• Type 1 Excludes: R22 Localized swelling, mass and lump of skin and subcutaneous tissue ("abnormal findings on diagnostic imaging (R90-R93)")

Nearby codes

• R93.2 Abnormal findings on diagnostic imaging of liver and biliary tract
• R93.3 Abnormal findings on diagnostic imaging of other parts of digestive tract
• R93.4 Abnormal findings on diagnostic imaging of urinary organs
• R93.41 Abnormal radiologic findings on diagnostic imaging of renal pelvis, ureter, or bladder
• R93.42 Abnormal radiologic findings on diagnostic imaging of kidney
• R93.421 Abnormal radiologic findings on diagnostic imaging of right kidney (this code)
• R93.422 Abnormal radiologic findings on diagnostic imaging of left kidney
• R93.429 Abnormal radiologic findings on diagnostic imaging of unspecified kidney
• R93.49 Abnormal radiologic findings on diagnostic imaging of other urinary organs
• R93.5 Abnormal findings on diagnostic imaging of other abdominal regions, including retroperitoneum
• R93.6 Abnormal findings on diagnostic imaging of limbs