N16
BillableRenal tubulo-interstitial disorders in diseases classified elsewhere
N16 is the ICD-10-CM code for Renal tubulo-interstitial disorders in diseases classified elsewhere. It is a billable, specific code valid for reimbursement.
- Status
- Billable
- Chapter
- N00-N99
- Edition
- FY2026
N00-N99 Diseases of the genitourinary system
Includes
- •Pyelonephritis
- •Tubulo-interstitial nephritis
Excludes1 — not coded here
- •diphtheritic pyelonephritis and tubulo-interstitial nephritis (A36.84)
- •pyelonephritis and tubulo-interstitial nephritis in candidiasis (B37.49)
- •pyelonephritis and tubulo-interstitial nephritis in cystinosis (E72.04)
- •pyelonephritis and tubulo-interstitial nephritis in salmonella infection (A02.25)
- •pyelonephritis and tubulo-interstitial nephritis in sarcoidosis (D86.84)
- •pyelonephritis and tubulo-interstitial nephritis in Sjogren syndrome (M35.04)
- •pyelonephritis and tubulo-interstitial nephritis in systemic lupus erythematosus (M32.15)
- •pyelonephritis and tubulo-interstitial nephritis in toxoplasmosis (B58.83)
- •renal tubular degeneration in diabetes (E08-E13 with .29)
- •syphilitic pyelonephritis and tubulo-interstitial nephritis (A52.75)
Code first
Frequently asked questions
- What is ICD-10 code N16?
- N16 is the ICD-10-CM code for "Renal tubulo-interstitial disorders in diseases classified elsewhere". It falls under N00-N99 Diseases of the genitourinary system.
- Is N16 a billable code?
- Yes — N16 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from N16?
- Excludes1 (not coded here): diphtheritic pyelonephritis and tubulo-interstitial nephritis (A36.84); pyelonephritis and tubulo-interstitial nephritis in candidiasis (B37.49); pyelonephritis and tubulo-interstitial nephritis in cystinosis (E72.04); pyelonephritis and tubulo-interstitial nephritis in salmonella infection (A02.25).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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