ICD-10-CM Code M19.012
Primary osteoarthritis, left shoulder
Diagnosis information
Billable
Yes
Valid for claim submission
Chapter
M00–M99
Diseases of the musculoskeletal system
Risk adjustment
None
Not risk-adjustable (V28)
More codes in the M19 category
Other billable ICD-10-CM codes in the same category as M19.012. Coding to the highest specificity the documentation supports is what keeps a claim clean — pick the child code that most precisely matches the diagnosis.
- M19.011Primary osteoarthritis, right shoulder
- M19.019Primary osteoarthritis, unspecified shoulder
- M19.021Primary osteoarthritis, right elbow
- M19.022Primary osteoarthritis, left elbow
- M19.029Primary osteoarthritis, unspecified elbow
- M19.031Primary osteoarthritis, right wrist
- M19.032Primary osteoarthritis, left wrist
- M19.039Primary osteoarthritis, unspecified wrist
- M19.041Primary osteoarthritis, right hand
- M19.042Primary osteoarthritis, left hand
- M19.049Primary osteoarthritis, unspecified hand
- M19.071Primary osteoarthritis, right ankle and foot
Documentation & coding notes
- M19.012 is a billable/specific ICD-10-CM code — it can be reported as a primary or secondary diagnosis when the documentation supports it. Code to the highest level of specificity the record allows.
- M19.012 specifies laterality. Confirm the documented side matches the code — a laterality mismatch between the note and the claim is a frequent denial and audit target.
- Always verify the code against the current ICD-10-CM Official Guidelines and the payer's coverage policy before submitting — coverage, medical necessity edits, and sequencing rules vary by payer.
Related M00–M99 codes
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Medical coding disclaimer
ICD-10-CM codes and descriptions shown are from the CMS FY2026 official code set and HCC mappings from the CMS-HCC V28 model (payment year 2026), shown for educational reference. Official Guidelines, payer coverage, medical-necessity edits, and sequencing rules vary. Always verify with the current ICD-10-CM Official Guidelines and the payer before submitting claims. D3rx is not responsible for coding or billing outcomes.