M79.63 Pain in forearmNon-billable header with 3 child codes.
G89 Pain, not elsewhere classified ("limb pain (M79.6-)")M25.5 Pain in joint ("pain in limb (M79.6-)")R29.89 Other symptoms and signs involving the musculoskeletal system ("pain in limb (M79.6-)")R52 Pain, unspecified ("limb pain (M79.6-)")M79.609 Pain in unspecified limbM79.62 Pain in upper armM79.621 Pain in right upper armM79.622 Pain in left upper armM79.629 Pain in unspecified upper armM79.63 Pain in forearm (this code)M79.631 Pain in right forearmM79.632 Pain in left forearmM79.639 Pain in unspecified forearmM79.64 Pain in hand and fingersM79.641 Pain in right hand