Is M19.21 a billable code?
No. M19.21 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
M19.21: Secondary osteoarthritis, shoulder
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
M19.21 groups related diagnoses under secondary osteoarthritis, shoulder. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under M19.21
- M19.211Secondary osteoarthritis, right shoulder
- M19.212Secondary osteoarthritis, left shoulder
- M19.219Secondary osteoarthritis, unspecified shoulder
Other codes in M19.2 Secondary osteoarthritis of other joints
M19.21 questions
What does M19.21 mean?
M19.21 is the ICD-10-CM code for Secondary osteoarthritis, 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.