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N28.1

Billable

Cyst of kidney, acquired

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A fluid-filled sac that develops in the kidney after birth or due to kidney disease, which may or may not cause symptoms.

Coding Tips

  • •Confirm the cyst is acquired rather than congenital; congenital cysts use different codes
  • •Document whether the cyst is simple or complex, and if it affects kidney function

Excludes 1 — Do NOT code together

  • cystic kidney disease (congenital) (Q61.-)

Code Hierarchy

└N28Other disorders of kidney and ureter, not elsewhere classified└N28.1Cyst of kidney, acquired
└N28.1Cyst of kidney, acquired

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