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N19

Billable

Unspecified kidney failure

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

What This Code Means

Unspecified kidney failure refers to loss of kidney function where the cause or type (acute vs. chronic) has not been specified in the medical record.

Coding Tips

  • •This is a non-specific code; attempt to determine if the failure is acute (N17) or chronic (N18) before using N19
  • •Review lab values and clinical presentation to help differentiate the type of kidney failure

Excludes 1 — Do NOT code together

  • acute kidney failure (N17.-)
  • chronic kidney disease (N18.-)
  • chronic uremia (N18.9)
  • extrarenal uremia (R39.2)
  • prerenal uremia (R39.2)
  • renal insufficiency (acute) (N28.9)
  • uremia of newborn (P96.0)

Code Hierarchy

└N19Unspecified kidney failure
└N19Unspecified kidney failure

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