ICD-9 Code 584.9 - Acute kidney failure, unspecified

ICD-9-CM Diagnosis Code 584.9

Diagnosis Code: 584.9 (Raw: 5849)

Description: Acute kidney failure, unspecified

Classification: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)

Fiscal Year: 2026 Reference

CMS Section 111 Status: Valid for reporting (Excluded from No-Fault liability reporting).

Overview & Historical Usage

ICD-9-CM code 584.9 is designated for Acute kidney failure, unspecified. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical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.