Non-Billable / Non-Specific Code
ICD-10-CM N00 is the diagnosis code for Acute nephritic syndrome. This code falls under the section "Glomerular diseases" within Chapter 14 — Diseases of the genitourinary system (N00-N99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as N00. They are mutually exclusive:
Understanding where N00 sits in the ICD-10-CM classification helps ensure proper coding:
No, N00 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
N00 is the ICD-10-CM diagnosis code for "Acute nephritic syndrome". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
N00 is located in Section N00-N08 — "Glomerular diseases" within Chapter 14 of the ICD-10-CM Tabular List.
N00 has 12 sub-code(s) that provide more specific detail: N00.0, N00.1, N00.2, N00.3, N00.4 and more.
Use N00 when the patients documented diagnosis matches "Acute nephritic syndrome" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Acute nephritic syndrome is N00.
No, N00 is non-billable. Use a more specific sub-code for primary diagnosis billing.
N00 is in Chapter 14 of the ICD-10-CM Tabular List.
Type 1 Excludes for N00 include: acute tubulo-interstitial nephritis (N10); nephritic syndrome NOS (N05.-).
Yes, N00 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.