S99.921 Unspecified injury of right footNon-billable ICD-10-CM code.
S89 Other and unspecified injuries of lower leg ("other and unspecified injuries of ankle and foot (S99.-)")S99.919 Unspecified injury of unspecified ankleS99.919A Unspecified injury of unspecified ankle, initial encounterS99.919D Unspecified injury of unspecified ankle, subsequent encounterS99.919S Unspecified injury of unspecified ankle, sequelaS99.92 Unspecified injury of footS99.921 Unspecified injury of right foot (this code)S99.921A Unspecified injury of right foot, initial encounterS99.921D Unspecified injury of right foot, subsequent encounterS99.921S Unspecified injury of right foot, sequelaS99.922 Unspecified injury of left footS99.922A Unspecified injury of left foot, initial encounter