Diagnosis Code

N18 CHRONIC KIDNEY DISEASE (CKD)


Code Information

Diagnosis Code: N18

Short Description: Chronic kidney disease (CKD)

Long Description: Chronic kidney disease (CKD)

The code N18 is NOT VALID for claim submission

Code Classification:

  • Diseases of the genitourinary system (N00–N99)
    • Acute kidney failure and chronic kidney disease (N17-N19)
      • Chronic kidney disease (CKD) (N18)
        • N18 Chronic kidney disease (CKD)

Code Version: 2022 ICD-10-CM


References to Index of Diseases and Injuries

The code N18 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Code First:
    • any associated:
    • diabetic chronic kidney disease (@E08.22*, @E09.22*, @E10.22*, @E11.22*, @E13.22*)
    • hypertensive chronic kidney disease (@I12*.-, @I13*.-)

Similar Codes

ICD-10 Code ICD-10 Description
N18.1 Chronic kidney disease, stage 1
N18.2 Chronic kidney disease, stage 2 (mild)
N18.3 Chronic kidney disease, stage 3 (moderate)
N18.30 Chronic kidney disease, stage 3 unspecified
N18.31 Chronic kidney disease, stage 3a
N18.32 Chronic kidney disease, stage 3b
N18.4 Chronic kidney disease, stage 4 (severe)
N18.5 Chronic kidney disease, stage 5
N18.6 End stage renal disease
N18.9 Chronic kidney disease, unspecified


This page was last updated on: 10/1/2023