ICD-9-CM Diagnosis Code 583.4
Diagnosis Code: 583.4 (Raw: 5834)
Description: Nephritis and nephropathy, not specified as acute or chronic, with lesion of rapidly progressive glomerulonephritis
Classification: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)
Fiscal Year: 2026 Reference
CMS Section 111 Status: Valid for reporting.
Overview & Historical Usage
ICD-9-CM code 583.4 is designated for Nephritis and nephropathy, not specified as acute or chronic, with lesion of rapidly progressive glomerulonephritis. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical clinical data analysis.
