N17-N19
Acute kidney failure and chronic kidney disease
Block coding notes
Excludes 1 never together · Excludes 2 may co-exist
Excludes 2
congenital renal failure (P96.0) drug- and heavy-metal-induced tubulo-interstitial and tubular conditions (N14.-) extrarenal uremia (R39.2) hemolytic-uremic syndrome (D59.3-) hepatorenal syndrome (K76.7) postpartum hepatorenal syndrome (O90.41) posttraumatic renal failure (T79.5) prerenal uremia (R39.2) renal failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.4) renal failure following labor and delivery (O90.41) renal failure postprocedural (N99.0)
Codes in this block
18 codes
Billableusable codeNon-billableheader / grouping codeRisk-adjusting
- N17Acute kidney failureNon-billable
- N17.0Acute kidney failure with tubular necrosisBillable
- N17.1Acute kidney failure with acute cortical necrosisBillable
- N17.2Acute kidney failure with medullary necrosisBillable
- N17.8Other acute kidney failureBillable
- N17.9Acute kidney failure, unspecifiedBillable
- N18Chronic kidney disease (CKD)Non-billable
- N18.1Chronic kidney disease, stage 1Billable
- N18.2Chronic kidney disease, stage 2 (mild)Billable
- N18.3Chronic kidney disease, stage 3 (moderate)Non-billable
- N18.30Chronic kidney disease, stage 3 unspecifiedBillable
- N18.31Chronic kidney disease, stage 3aBillable
- N18.32Chronic kidney disease, stage 3bBillable
- N18.4Chronic kidney disease, stage 4 (severe)Billable
- N18.5Chronic kidney disease, stage 5Billable
- N18.6End stage renal diseaseBillable
- N18.9Chronic kidney disease, unspecifiedBillable
- N19Unspecified kidney failureBillable
Official Guidelines for N17-N19
FY 2026 ›Sections that reference codes in N17-N19