S40.84 External constriction of upper armNon-billable header with 3 child codes.
S40.841 External constriction of right upper armS40.842 External constriction of left upper armS40.849 External constriction of unspecified upper armS40.822S Blister (nonthermal) of left upper arm, sequelaS40.829 Blister (nonthermal) of unspecified upper armS40.829A Blister (nonthermal) of unspecified upper arm, initial encounterS40.829D Blister (nonthermal) of unspecified upper arm, subsequent encounterS40.829S Blister (nonthermal) of unspecified upper arm, sequelaS40.84 External constriction of upper arm (this code)S40.841 External constriction of right upper armS40.841A External constriction of right upper arm, initial encounterS40.841D External constriction of right upper arm, subsequent encounterS40.841S External constriction of right upper arm, sequelaS40.842 External constriction of left upper arm