2025 ICD-10-CM Diagnosis Code M65.96

Unspecified synovitis and tenosynovitis, lower leg

ICD-10-CM Code:
M65.96
ICD-10 Code for:
Unspecified synovitis and tenosynovitis, lower leg
Is Billable?
Not Valid for Submission
Code Navigator:

M65.96 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of unspecified synovitis and tenosynovitis, lower leg. The code is not specific and is NOT valid for the year 2025 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Unspecified diagnosis codes like M65.96 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Specific Coding Applicable to Unspecified synovitis and tenosynovitis, lower leg

Non-specific codes like M65.96 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for unspecified synovitis and tenosynovitis, lower leg:

  • Use M65.961 for Unspecified synovitis and tenosynovitis, right lower leg - BILLABLE CODE

  • Use M65.962 for Unspecified synovitis and tenosynovitis, left lower leg - BILLABLE CODE

  • Use M65.969 for Unspecified synovitis and tenosynovitis, unspecified lower leg - BILLABLE CODE

Code Classification

  • Diseases of the musculoskeletal system and connective tissue
    M00–M99
    • Disorders of synovium and tendon
      M65-M67
      • Synovitis and tenosynovitis
        M65

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

Code History