Non-Billable / Non-Specific Code
ICD-10-CM M19 is the diagnosis code for Other and unspecified osteoarthritis. This code falls under the section "Osteoarthritis" within Chapter 13 â Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as M19. They are mutually exclusive:
The following conditions are not included in M19. If the patient has both, code each condition separately:
Understanding where M19 sits in the ICD-10-CM classification helps ensure proper coding:
No, M19 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
M19 is the ICD-10-CM diagnosis code for "Other and unspecified osteoarthritis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
M19 is located in Section M15-M19 â "Osteoarthritis" within Chapter 13 of the ICD-10-CM Tabular List.
M19 has 4 sub-code(s) that provide more specific detail: M19.0, M19.1, M19.2, M19.9.
Use M19 when the patients documented diagnosis matches "Other and unspecified osteoarthritis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Other and unspecified osteoarthritis is M19.
No, M19 is non-billable. Use a more specific sub-code for primary diagnosis billing.
M19 is in Chapter 13 of the ICD-10-CM Tabular List.
Type 1 Excludes for M19 include: polyarthritis (M15.-).
Yes, M19 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.