N05

Non-billable

Unspecified nephritic syndrome

Unspecified nephritic syndrome

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

N00-N08

Child Codes

11

Coding Notes

Includes

Conditions included under this code

  • glomerular disease NOS
  • glomerulonephritis NOS
  • nephritis NOS
  • nephropathy NOS and renal disease NOS with morphological lesion specified in .0-.8

Excludes 1

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

  • hypertensive chronic kidney disease (I12.-)
  • nephropathy NOS with no stated morphological lesion (N28.9)
  • renal disease NOS with no stated morphological lesion (N28.9)
  • tubulo-interstitial nephritis NOS (N12)

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)

Code Also

A second code may be required; sequencing depends on circumstances

  • any associated kidney failure (N17-N19).

Child Codes (11)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code N05?

ICD-10-CM code N05 represents "Unspecified nephritic syndrome". It is a non-billable header code — use a more specific child code for billing purposes.

Is N05 a billable code?

No, N05 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 11 child codes under N05.

What chapter is N05 in?

N05 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).

What codes cannot be used with N05?

N05 has Excludes1 notes indicating codes that cannot be used together with it, including: hypertensive chronic kidney disease (I12.-); nephropathy NOS with no stated morphological lesion (N28.9); renal disease NOS with no stated morphological lesion (N28.9); and 1 more.

What are the subcategories under N05?

N05 has 11 child codes, including: N05.0 (Unsp nephritic syndrome with minor glomerular abnormality), N05.1 (Unsp neph syndrome w focal and segmental glomerular lesions), N05.2 (Unsp nephritic syndrome w diffuse membranous glomrlneph), N05.3 (Unsp neph syndrome w diffuse mesangial prolif glomrlneph), and 7 more.

What are the UMLS CUIs for N05?

N05 is linked to 5 UMLS Concept Unique Identifiers: C0268731, C0017658, C0027697, C0268732, C4290234. 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.