M19

Other and unspecified osteoarthritis

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027

SourceCMS ICD-10-CM order file

ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODE	DESCRIPTION	TYPE
M19.0	Primary osteoarthritis of other joints	Category
M19.01	Primary osteoarthritis, shoulder	Category
M19.011	Primary osteoarthritis, right shoulder	Billable
M19.012	Primary osteoarthritis, left shoulder	Billable
M19.019	Primary osteoarthritis, unspecified shoulder	Billable
M19.02	Primary osteoarthritis, elbow	Category
M19.021	Primary osteoarthritis, right elbow	Billable
M19.022	Primary osteoarthritis, left elbow	Billable
M19.029	Primary osteoarthritis, unspecified elbow	Billable
M19.03	Primary osteoarthritis, wrist	Category
M19.031	Primary osteoarthritis, right wrist	Billable
M19.032	Primary osteoarthritis, left wrist	Billable
M19.039	Primary osteoarthritis, unspecified wrist	Billable
M19.04	Primary osteoarthritis, hand	Category
M19.041	Primary osteoarthritis, right hand	Billable
M19.042	Primary osteoarthritis, left hand	Billable
M19.049	Primary osteoarthritis, unspecified hand	Billable
M19.07	Primary osteoarthritis ankle and foot	Category
M19.071	Primary osteoarthritis, right ankle and foot	Billable
M19.072	Primary osteoarthritis, left ankle and foot	Billable
M19.079	Primary osteoarthritis, unspecified ankle and foot	Billable
M19.09	Primary osteoarthritis, other specified site	Billable
M19.1	Post-traumatic osteoarthritis of other joints	Category
M19.11	Post-traumatic osteoarthritis, shoulder	Category
M19.111	Post-traumatic osteoarthritis, right shoulder	Billable
M19.112	Post-traumatic osteoarthritis, left shoulder	Billable
M19.119	Post-traumatic osteoarthritis, unspecified shoulder	Billable
M19.12	Post-traumatic osteoarthritis, elbow	Category
M19.121	Post-traumatic osteoarthritis, right elbow	Billable
M19.122	Post-traumatic osteoarthritis, left elbow	Billable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.