N11.1

Billable

Chronic obstructive pyelonephritis

Chronic obstructive pyelonephritis

Status

Billable / Specific

Block

N10-N16

Parent Code

N11

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Pyelonephritis (chronic) associated with anomaly of pelviureteric junction
  • Pyelonephritis (chronic) associated with anomaly of pyeloureteric junction
  • Pyelonephritis (chronic) associated with crossing of vessel
  • Pyelonephritis (chronic) associated with kinking of ureter
  • Pyelonephritis (chronic) associated with obstruction of ureter
  • Pyelonephritis (chronic) associated with stricture of pelviureteric junction
  • Pyelonephritis (chronic) associated with stricture of ureter

Includes

Conditions included under this code

  • pyelonephritis
  • chronic infectious interstitial nephritis
  • chronic pyelitis
  • chronic pyelonephritis

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • pyeloureteritis cystica (N28.85)
  • calculous pyelonephritis (N20.9)
  • obstructive uropathy (N13.-)

Excludes 2

Conditions not included here, but the patient may have both

  • 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)

Use Additional Code

Additional codes that should follow this code

  • code (B95-B97), to identify infectious agent.

Also Known As / Clinical Terms

Frequently Asked Questions

What is the ICD-10 code for chronic obstructive pyelonephritis?

The ICD-10-CM code for chronic obstructive pyelonephritis is N11.1. The full clinical description is "Chronic obstructive pyelonephritis". N11.1 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code N11.1 mean?

ICD-10-CM code N11.1 represents "Chronic obstructive pyelonephritis". It is classified under Chapter 14: Diseases of the Genitourinary System and is a billable/specific code that can be used on a claim.

Is N11.1 a billable code?

Yes, N11.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is N11.1 in?

N11.1 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).

What codes cannot be used with N11.1?

N11.1 has Excludes1 notes indicating codes that cannot be used together with it, including: pyeloureteritis cystica (N28.85); calculous pyelonephritis (N20.9); obstructive uropathy (N13.-).

Are additional codes required with N11.1?

Yes, when using N11.1 you should also code: code (B95-B97), to identify infectious agent..

What SNOMED CT codes does N11.1 map to?

N11.1 maps to 5 SNOMED CT concepts: 63302006, 236379002, 197928006, 4181000119109, 197782004. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for N11.1?

N11.1 is linked to 8 UMLS Concept Unique Identifiers: C0403389, C2902931, C2902932, C2902933, C2902934, and 3 more. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.