What ICD-10 Codes are Used for Renal Insufficiency
Renal insufficiency, characterized by impaired kidney function, necessitates accurate diagnosis and coding for effective treatment and management. The International Classification of Diseases, Tenth Revision (ICD-10), provides standardized codes to classify and identify various renal insufficiency disorders.
Here are the commonly used Renal Insufficiency ICD Codes:
N18.9 - Chronic kidney disease (CKD), unspecified:
N18.9 is a general code used when the specific type or chronic kidney disease stage is not documented. It signifies the presence of long-term kidney damage and impaired kidney function.
N19 - Unspecified kidney failure:
N19 is assigned when there is a lack of detailed information regarding the specific cause or stage of kidney failure. It represents a broad category encompassing acute or chronic kidney failure of unspecified etiology.
N17.9 - Acute kidney failure, unspecified:
N17.9 is used when acute kidney failure is diagnosed, but the specific cause or type is not specified. Acute kidney failure occurs suddenly and is characterized by a rapid decline in kidney function, resulting in impaired waste removal and fluid balance.
N28.9 - Disorder of kidney and ureter, unspecified:
N28.9 represents a general code for unspecified disorders affecting the kidney and ureter. It includes conditions like renal colic or unspecified kidney damage without further specification.
N28.0 - Ischemia and infarction of kidney:
N28.0 is assigned when the kidney is diagnosed with ischemia (inadequate blood supply) or infarction (tissue death due to lack of blood flow). This code indicates a potentially severe condition that may lead to renal insufficiency.
N25.9 - Disorder resulting from impaired renal tubular function, unspecified:
N25.9 is used when there is a disorder resulting from impaired renal tubular function without specifying the exact nature of the disorder. It encompasses conditions like tubular acidosis or renal tubular defects.
N18.1 - Chronic kidney disease, stage 1:
N18.1 represents the first stage of chronic kidney disease, characterized by kidney damage with a normal or increased glomerular filtration rate (GFR). It signifies early kidney dysfunction and requires close monitoring and management.
N17.0 - Acute kidney failure with tubular necrosis:
N17.0 is assigned when acute kidney failure occurs due to tubular necrosis, typically caused by ischemia or nephrotoxic substances. This code highlights a specific cause of acute kidney injury.
N25.0 - Renal osteodystrophy:
N25.0 denotes a condition characterized by bone abnormalities associated with chronic kidney disease. It includes bone loss, mineral imbalances, and skeletal deformities due to impaired mineral metabolism.
N18.4 - Chronic kidney disease, stage 4:
N18.4 represents the fourth chronic kidney disease stage, indicating severe kidney damage with a significantly reduced GFR. This stage requires advanced medical intervention, including dialysis or transplantation.

