N16 Billable Code
Renal tubulo-interstitial disorders in diseases classified elsewhere
Effective From: 10/01/2016
Chapter Classification
Chapter 14
Diseases of the genitourinary system (N00-N99)
Section Detail
N10-N16
Renal tubulo-interstitial diseases (N10-N16)
Coding Guidelines & Notes
codeFirst
- underlying disease, such as:
- brucellosis (A23.0-A23.9)
- cryoglobulinemia (D89.1)
- glycogen storage disease (E74.0-)
- leukemia (C91-C95)
- lymphoma (C81.0-C85.9, C96.0-C96.9)
- multiple myeloma (C90.0-)
- sepsis (A40.0-A41.9)
- Wilson's disease (E83.01)
excludes1
- 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)
OPPS Editing Flags
External Cause
No
Mental Health
No
Manifestation (Edit 89)
Yes
Code First Applicable This code represents a manifestation of an underlying disease. The underlying condition must be coded first as the principal diagnosis.
No
Unacceptable PDX (Edit 113)
No
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