ICD-9-CM Diagnosis Code 845.00
Diagnosis Code: 845.00 (Raw: 84500)
Description: Sprain of ankle, unspecified site
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 845.00 is designated for Sprain of ankle, unspecified site. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical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.