M19.01

Hierarchy

Where M19.01 sits in the official hierarchy. Each level is the code it is classified under.

1. M19 Other and unspecified osteoarthritis
2. M19.0 Parent Primary osteoarthritis of other joints
3. M19.01 This code Primary osteoarthritis, shoulder

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

• M19.011 Primary osteoarthritis, right shoulder Billable
• M19.012 Primary osteoarthritis, left shoulder Billable
• M19.019 Primary osteoarthritis, unspecified shoulder Billable

Version History

How M19.01 appears in each release imported from the official files, newest first.

1. FY 2027 Effective October 1, 2026

   Current

   Primary osteoarthritis, shoulder

2. FY 2026 Effective October 1, 2025

   Unchanged

   Primary osteoarthritis, shoulder