M79.639 Pain in unspecified forearm

Billable ICD-10-CM code, FY2026.

Applies from M79 Other and unspecified soft tissue disorders, not elsewhere classified

Excludes1 (never code together)

• psychogenic rheumatism (F45.8)
• soft tissue pain, psychogenic (F45.41)

Applies from M79.6 Pain in limb, hand, foot, fingers and toes

Excludes2 (not included here)

• pain in joint (M25.5-)

MS-DRG index

Defines the logic of DRG(s) 555-556 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 729.5 Pain in limb (approximate)

Code annotations containing back-references to M79.639

Back-references to M79.6

• Type 2 Excludes: G89 Pain, not elsewhere classified ("limb pain (M79.6-)")
• Type 2 Excludes: M25.5 Pain in joint ("pain in limb (M79.6-)")
• Type 2 Excludes: R29.89 Other symptoms and signs involving the musculoskeletal system ("pain in limb (M79.6-)")
• Type 1 Excludes: R52 Pain, unspecified ("limb pain (M79.6-)")

Nearby codes

• M79.622 Pain in left upper arm
• M79.629 Pain in unspecified upper arm
• M79.63 Pain in forearm
• M79.631 Pain in right forearm
• M79.632 Pain in left forearm
• M79.639 Pain in unspecified forearm (this code)
• M79.64 Pain in hand and fingers
• M79.641 Pain in right hand
• M79.642 Pain in left hand
• M79.643 Pain in unspecified hand
• M79.644 Pain in right finger(s)