N11 Chronic tubulo-interstitial nephritis
ICD-10-CM category N11 sits in Chapter 14 (Diseases of the genitourinary system, N00-N99). It contains 4 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Billable codes in N11
| Code | Description |
|---|---|
N11.0 | Nonobstructive reflux-associated chronic pyelonephritis |
N11.1 | Chronic obstructive pyelonephritis |
N11.8 | Other chronic tubulo-interstitial nephritis |
N11.9 | Chronic tubulo-interstitial nephritis, unspecified |
Search within ICD-10-CM for N11 and related codes
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