Is M67.21 a billable code?
No. M67.21 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
M67.21: Synovial hypertrophy, not elsewhere classified, shoulder
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
M67.21 groups related diagnoses under synovial hypertrophy, not elsewhere classified, shoulder. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under M67.21
- M67.211Synovial hypertrophy, not elsewhere classified, right shoulder
- M67.212Synovial hypertrophy, not elsewhere classified, left shoulder
- M67.219Synovial hypertrophy, not elsewhere classified, unspecified shoulder
Other codes in M67.2 Synovial hypertrophy, not elsewhere classified
- M67.20Synovial hypertrophy, not elsewhere classified, unspecified site
- M67.22Synovial hypertrophy, not elsewhere classified, upper armheader
- M67.23Synovial hypertrophy, not elsewhere classified, forearmheader
- M67.24Synovial hypertrophy, not elsewhere classified, handheader
- M67.25Synovial hypertrophy, not elsewhere classified, thighheader
- M67.26Synovial hypertrophy, not elsewhere classified, lower legheader
- M67.27Synovial hypertrophy, not elsewhere classified, ankle and footheader
- M67.28Synovial hypertrophy, not elsewhere classified, other site
- M67.29Synovial hypertrophy, not elsewhere classified, multiple sites
M67.21 questions
What does M67.21 mean?
M67.21 is the ICD-10-CM code for Synovial hypertrophy, not elsewhere classified, shoulder. It is in chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.