N17 Acute kidney failure

Category / Non-billable header 5 subcodes

Block: Acute kidney failure and chronic kidney disease (N17-N19)

Excludes 1 (cannot be coded together)

  • posttraumatic renal failure (T79.5)

Code Also

  • associated underlying condition

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
N17..0 Acute kidney failure with tubular necrosis Yes
N17..1 Acute kidney failure with acute cortical necrosis Yes
N17..2 Acute kidney failure with medullary necrosis Yes
N17..8 Other acute kidney failure Yes
N17..9 Acute kidney failure, unspecified Yes

Last reviewed: September 2026