2025 ICD-10-CM Diagnosis Code M65.91

by

Unspecified synovitis and tenosynovitis, shoulder

  • M65.91 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • ICD-10-CM M65.91 is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
  • This is the American ICD-10-CM version of M65.91 – other international versions of ICD-10 M65.91 may differ.

The following code(s) above M65.91 contain annotation back-references

 that may be applicable to M65.91:

  • M00-M99  Diseases of the musculoskeletal system and connective tissue
  • M65  Synovitis and tenosynovitis

Code History

  • 2025 (effective 10/1/2024): New code

Diagnosis Index entries containing back-references to M65.91:

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