M75.40 Impingement syndrome of unspecified shoulder

Billable ICD-10-CM code, FY2026.

Applies from M75 Shoulder lesions

Excludes2 (not included here)

• shoulder-hand syndrome (M89.0-)

MS-DRG index

Defines the logic of DRG(s) 557-558 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 726.2 Other affections of shoulder region, not elsewhere classified (approximate)

Code annotations containing back-references to M75.40

Back-references to M75

• Type 1 Excludes: M65.2 Calcific tendinitis ("tendinitis as classified in M75-M77")

Nearby codes

• M75.3 Calcific tendinitis of shoulder
• M75.30 Calcific tendinitis of unspecified shoulder
• M75.31 Calcific tendinitis of right shoulder
• M75.32 Calcific tendinitis of left shoulder
• M75.4 Impingement syndrome of shoulder
• M75.40 Impingement syndrome of unspecified shoulder (this code)
• M75.41 Impingement syndrome of right shoulder
• M75.42 Impingement syndrome of left shoulder
• M75.5 Bursitis of shoulder
• M75.50 Bursitis of unspecified shoulder
• M75.51 Bursitis of right shoulder