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N18.4

✓ Billable

Chronic kidney disease, stage 4 (severe)

Diseases of the genitourinary system (N00-N99)

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📋 Code Instructions

from N18
  • • code, if applicable, to identify:
  • • associated cachexia (E88.A)
  • • kidney transplant status (Z94.0)
  • • Code first: any associated:
  • • Code first: diabetic chronic kidney disease (E08.22, E09.22, E10.22, E11.22, E13.22)
  • • Code first: hypertensive chronic kidney disease (I12.-, I13.-)
✅ No additional coding notes for N18.4

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Code Information

CodeN18.4
BillableYes
ParentN18
CategoryDiseases of the genitourinary system (N00-N99)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)