AutoICD API

N00

Non-billable

Acute nephritic syndrome

Acute 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

  • acute glomerular disease
  • acute glomerulonephritis
  • acute nephritis

Excludes 1

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

  • hypertensive chronic kidney disease (I12.-)
  • acute tubulo-interstitial nephritis (N10)
  • nephritic syndrome NOS (N05.-)

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)

N00.0

Acute nephritic syndrome with minor glomerular abnormality

BillableN00.1

Acute neph syndrome w focal and segmental glomerular lesions

BillableN00.2

Acute nephritic syndrome w diffuse membranous glomrlneph

BillableN00.3

Acute neph syndrome w diffuse mesangial prolif glomrlneph

BillableN00.4

Acute neph syndrome w diffuse endocaplry prolif glomrlneph

BillableN00.5

Acute nephritic syndrome w diffuse mesangiocap glomrlneph

BillableN00.6

Acute nephritic syndrome with dense deposit disease

BillableN00.7

Acute nephritic syndrome w diffuse crescentic glomrlneph

BillableN00.8

Acute nephritic syndrome with other morphologic changes

BillableN00.9

Acute nephritic syndrome with unsp morphologic changes

BillableN00.A

Acute nephritic syndrome with C3 glomerulonephritis

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code N00?

ICD-10-CM code N00 represents "Acute nephritic syndrome". It is a non-billable header code — use a more specific child code for billing purposes.

Is N00 a billable code?

No, N00 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 N00.

What chapter is N00 in?

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

What codes cannot be used with N00?

N00 has Excludes1 notes indicating codes that cannot be used together with it, including: hypertensive chronic kidney disease (I12.-); acute tubulo-interstitial nephritis (N10); nephritic syndrome NOS (N05.-).

What are the subcategories under N00?

N00 has 11 child codes, including: N00.0 (Acute nephritic syndrome with minor glomerular abnormality), N00.1 (Acute neph syndrome w focal and segmental glomerular lesions), N00.2 (Acute nephritic syndrome w diffuse membranous glomrlneph), N00.3 (Acute neph syndrome w diffuse mesangial prolif glomrlneph), and 7 more.

What are the UMLS CUIs for N00?

N00 is linked to 3 UMLS Concept Unique Identifiers: C0156221, C0268733, C1384924. 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.

Try FreeView API Docs

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.