Non-Billable / Non-Specific Code
ICD-10-CM N01 is the diagnosis code for Rapidly progressive 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 N01. They are mutually exclusive:
Understanding where N01 sits in the ICD-10-CM classification helps ensure proper coding:
No, N01 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
N01 is the ICD-10-CM diagnosis code for "Rapidly progressive nephritic syndrome". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
N01 is located in Section N00-N08 — "Glomerular diseases" within Chapter 14 of the ICD-10-CM Tabular List.
N01 has 11 sub-code(s) that provide more specific detail: N01.0, N01.1, N01.2, N01.3, N01.4 and more.
Use N01 when the patients documented diagnosis matches "Rapidly progressive 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 Rapidly progressive nephritic syndrome is N01.
No, N01 is non-billable. Use a more specific sub-code for primary diagnosis billing.
N01 is in Chapter 14 of the ICD-10-CM Tabular List.
Type 1 Excludes for N01 include: nephritic syndrome NOS (N05.-).
Yes, N01 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.