Convert to ICD-10-CM: 
845.00 converts approximately to:
- 2015/16 ICD-10-CM S93.409A Sprain of unspecified ligament of unspecified ankle, initial encounterOr: 
- 2015/16 ICD-10-CM S96.919A Strain of unspecified muscle and tendon at ankle and foot level, unspecified foot, initial encounter