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ICD-10 N11 - Chronic tubulo-interstitial nephritis
Chapter 14 Section N10-N16

N11

ICD-10 Not billable

Chronic tubulo-interstitial nephritis

Use additional code: code (B95-B97), to identify infectious agent.
Specifically for this code:
  • chronic infectious interstitial nephritis
  • chronic pyelitis
  • chronic pyelonephritis
From Section N10-N16:
  • pyelonephritis
From Chapter 14:
  • 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)
From Section N10-N16:
  • pyeloureteritis cystica (N28.85)
N11 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
N11.0
Nonobstructive reflux-associated chronic pyelonephritis
Billable
10
N11.1
Chronic obstructive pyelonephritis
Billable
10
N11.8
Other chronic tubulo-interstitial nephritis
Billable
10
N11.9
Chronic tubulo-interstitial nephritis, unspecified
Billable
      
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