M25.43Non-Billable (Header)Effusion, wristChild CodesM25.431Effusion, right wristM25.432Effusion, left wristM25.439Effusion, unspecified wristCode Hierarchy└M25Other joint disorder, not elsewhere classified└M25.4Effusion of joint└M25.43Effusion, wrist└M25.43Effusion, wrist