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2. ICD-10 Codes
3. Chapter - M00-M99
4. Section - M65-M67
5. Category - M66
6. M66.33

M66.33 - Spontaneous rupture of flexor tendons, forearm

• Applicable to Spontaneous rupture of flexor tendons, forearm
• The 2025 edition of ICD10-CM M66.33 became effective on October 1, 2024.
• This is the American ICD10-CM version of M66.33 - other international versions of ICD10 M66.33 may differ.
• M66.33 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• M66.33 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.

The following codes above M66.33 contain annotation back-references that may be applicable to M66.33:

• Chapter: M00-M99 - Diseases of the musculoskeletal system and connective tissue
• Section: M65-M67 - Disorders of synovium and tendon
• Category: M66 - Spontaneous rupture of synovium and tendon

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.