ICD-10-CM N04 is the diagnosis code for Nephrotic 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.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where N04 sits in the ICD-10-CM classification helps ensure proper coding:
No, N04 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
N04 is the ICD-10-CM diagnosis code for "Nephrotic syndrome". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
N04 is located in Section N00-N08 — "Glomerular diseases" within Chapter 14 of the ICD-10-CM Tabular List.
N04 has 12 sub-code(s) that provide more specific detail: N04.0, N04.1, N04.2, N04.3, N04.4 and more.
Use N04 when the patients documented diagnosis matches "Nephrotic 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 Nephrotic syndrome is N04.
No, N04 is non-billable. Use a more specific sub-code for primary diagnosis billing.
N04 is in Chapter 14 of the ICD-10-CM Tabular List.
Yes, N04 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.