N11.9 Chronic tubulo-interstitial nephritis, unspecified
Instructional Notes:
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N11.9
Description: Chronic tubulo-interstitial nephritis, unspecified
Inclusion Term:
- Chronic interstitial nephritis NOS
- Chronic pyelitis NOS
- Chronic pyelonephritis NOS
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N11
Description: Chronic tubulo-interstitial nephritis
Use Additional Code:
- code (B95-B97), to identify infectious agent.
Include:
- chronic infectious interstitial nephritis
- chronic pyelitis
- chronic pyelonephritis
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N10-N16
Description: Renal tubulo-interstitial diseases (N10-N16)
Exclude1:
- pyeloureteritis cystica (N28.85)
Include:
↓
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N00-N99
Description: Diseases of the genitourinary system
Exclude2:
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)