N11
Non-billableChronic tubulo-interstitial nephritis
Chronic tubulo-interstitial nephritis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
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)
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.
Child Codes (4)
Also Known As / Clinical Terms
UMLS
- CIN - Chronic interstitial nephritisC0238304
- CTIN - Chronic tubulo-interstitial nephritisC0238304
- Chronic TIN (tubulointerstitial nephritis)C0238304
- Chronic interstitial nephritisC0238304
- Chronic interstitial nephritis NOSC0238304
- Chronic tubulo-interstitial nephritisC0238304
- Chronic tubulo-interstitial nephritis, unspecifiedC0238304
- Chronic tubulointerstitial nephritisC0238304
- Chronic tubulointerstitial nephritis (disorder)C0238304
- Interstitial nephritis chronicC0238304
- Nephritis interstitial chronicC0238304
- chronic interstitial nephritisC0238304
- CPN - Chronic pyelonephritisC0085697
- Chronic PyelonephritisC0085697
- Chronic pyelonephritisC0085697
- Chronic pyelonephritis (disorder)C0085697
- Chronic pyelonephritis NOSC0085697
- Pyelonephritis chronicC0085697
- Pyelonephritis chronic NOSC0085697
- chronic pyelonephritisC0085697
- pyelonephritis chronicC0085697
- Chronic infective interstitial nephritisC0403381
- Chronic infective interstitial nephritis (disorder)C0403381
- chronic infectious interstitial nephritisC0403381
- Chronic pyelitisC0341681
- Chronic pyelitis (disorder)C0341681
- Chronic pyelitis NOSC0341681
- chronic pyelitisC0341681
Frequently Asked Questions
What is ICD-10 code N11?
ICD-10-CM code N11 represents "Chronic tubulo-interstitial nephritis". It is a non-billable header code — use a more specific child code for billing purposes.
Is N11 a billable code?
No, N11 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under N11.
What chapter is N11 in?
N11 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What codes cannot be used with N11?
N11 has Excludes1 notes indicating codes that cannot be used together with it, including: pyeloureteritis cystica (N28.85).
What are the subcategories under N11?
N11 has 4 child codes, including: 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).
Are additional codes required with N11?
Yes, when using N11 you should also code: code (B95-B97), to identify infectious agent..
What are the UMLS CUIs for N11?
N11 is linked to 4 UMLS Concept Unique Identifiers: C0238304, C0085697, C0403381, C0341681. 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.