N17 Acute renal failure

NCCS

Guidance DCS.XIV.2

Incl.:

acute renal impairment

N17.0 Acute renal failure with tubular necrosis

Incl.:

Tubular necrosis:

• NOS
• acute
• renal

N17.1 Acute renal failure with acute cortical necrosis

Incl.:

Cortical necrosis:

• NOS
• acute
• renal

N17.2 Acute renal failure with medullary necrosis

Incl.:

Medullary [papillary] necrosis:

• NOS
• acute
• renal

N17.8 Other acute renal failure

N17.9 Acute renal failure, unspecified

N18 Chronic kidney disease

NCCS

DCS.XIV.2 DCS.IX.2

Incl.:

chronic renal failure

Coding-Hint

Use additional code, if desired, to identify underlying disease.

Use additional code, if desired, to identify presence of hypertension.

N18.1 Chronic kidney disease, stage 1

Definition

Kidney damage with normal or increased GFR (≥ 90 mL/min)

N18.2 Chronic kidney disease, stage 2

Definition

Kidney damage with mild decreased GFR (60-89 mL/min)

N18.3 Chronic kidney disease, stage 3

Definition

Kidney damage with moderately decreased GFR (30-59 mL/min)

N18.4 Chronic kidney disease, stage 4

Definition

Kidney damage with severely decreased GFR (15-29 mL/min)

N18.5 Chronic kidney disease, stage 5

Incl.:

End stage kidney disease:

• in allograft failure
• NOS
• on dialysis
• without dialysis or transplant

Renal retinitis ( H32.8*)

Uraemic:

• apoplexia† (I68.8*)
• dementia† (F02.8*)
• neuropathy† (G63.8*)
• paralysis† (G99.8*)
• pericarditis† (I32.8*)

N18.9 Chronic kidney disease, unspecified

Incl.:

Chronic renal impairment

Chronic uraemia NOS

Diffuse sclerosing glomerulonephritis NOS

N19 Unspecified kidney failure

NCCS

DCS.IX.2 DCS.XIV.2

Incl.:

Renal insufficiency NOS

Uraemia NOS

Excl.:

kidney failure due to hypertension ( I12.0)

uraemia of newborn ( P96.0)