ICD-9-CM Diagnosis Code 333.94
Diagnosis Code: 333.94 (Raw: 33394)
Description: Restless legs syndrome (RLS)
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 333.94 is designated for Restless legs syndrome (RLS). While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical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.