S50.842 External constriction of left forearmNon-billable ICD-10-CM code.
S50.84 External constriction of forearmS50.841 External constriction of right forearmS50.841A External constriction of right forearm, initial encounterS50.841D External constriction of right forearm, subsequent encounterS50.841S External constriction of right forearm, sequelaS50.842 External constriction of left forearm (this code)S50.842A External constriction of left forearm, initial encounterS50.842D External constriction of left forearm, subsequent encounterS50.842S External constriction of left forearm, sequelaS50.849 External constriction of unspecified forearmS50.849A External constriction of unspecified forearm, initial encounter