ICD-10-CM M22 is the diagnosis code for Disorder of patella. This code falls under the section "Other joint disorders" 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 are not included in M22. If the patient has both, code each condition separately:
Understanding where M22 sits in the ICD-10-CM classification helps ensure proper coding:
No, M22 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
M22 is the ICD-10-CM diagnosis code for "Disorder of patella". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
M22 is located in Section M20-M25 â "Other joint disorders" within Chapter 13 of the ICD-10-CM Tabular List.
M22 has 7 sub-code(s) that provide more specific detail: M22.0, M22.1, M22.2, M22.3, M22.4 and more.
Use M22 when the patients documented diagnosis matches "Disorder of patella" 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 Disorder of patella is M22.
No, M22 is non-billable. Use a more specific sub-code for primary diagnosis billing.
M22 is in Chapter 13 of the ICD-10-CM Tabular List.
Yes, M22 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.