N11.1
BillableChronic obstructive pyelonephritis
Chronic obstructive pyelonephritis
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)
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
SNOMED CT
- CPN - Chronic pyelonephritis63302006
- Chronic pyelonephritis63302006
- Pyelonephritis associated with another disorder197782004
- Secondary pyelonephritis197782004
- Chronic urinary tract infection197928006
- Chronic obstructive pyelonephritis236379002
- Obstructive pyelonephritis4181000119109
- Pyelonephritis due to obstruction of urinary tract4181000119109
UMLS
- Chronic obstructive pyelonephritisC0403389
- Chronic obstructive pyelonephritis (disorder)C0403389
- Pyelonephritis (chronic) associated with anomaly of pelviureteric junctionC2902931
- Pyelonephritis (chronic) associated with anomaly of pyeloureteric junctionC2902932
- Pyelonephritis (chronic) associated with crossing of vesselC2902933
- Pyelonephritis (chronic) associated with kinking of ureterC2902934
- Pyelonephritis (chronic) associated with obstruction of ureterC2902935
- Pyelonephritis (chronic) associated with stricture of pelviureteric junctionC2902936
- Pyelonephritis (chronic) associated with stricture of ureterC2902937
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.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.