ICD-10-CM Diagnosis Code (2025)
Official Description for M22
Disorder of patella
Coding Notes & Guidelines for M22
Excludes2: Not Included Here
traumatic dislocation of patella (S83.0-)
Inclusion Terms
Incomplete dislocation of patella
Child Codes (More Specific Codes for M22):
M22.0 - Recurrent dislocation of patella
M22.00 - Recurrent dislocation of patella, unspecified knee
M22.01 - Recurrent dislocation of patella, right knee
M22.02 - Recurrent dislocation of patella, left knee
M22.1 - Recurrent subluxation of patella
M22.10 - Recurrent subluxation of patella, unspecified knee
M22.11 - Recurrent subluxation of patella, right knee
M22.12 - Recurrent subluxation of patella, left knee
M22.2 - Patellofemoral disorders
M22.2X - Patellofemoral disorders
M22.2X1 - Patellofemoral disorders, right knee
M22.2X2 - Patellofemoral disorders, left knee
M22.2X9 - Patellofemoral disorders, unspecified knee
M22.3 - Other derangements of patella
M22.3X - Other derangements of patella
M22.3X1 - Other derangements of patella, right knee
M22.3X2 - Other derangements of patella, left knee
M22.3X9 - Other derangements of patella, unspecified knee
M22.4 - Chondromalacia patellae
M22.40 - Chondromalacia patellae, unspecified knee
M22.41 - Chondromalacia patellae, right knee
M22.42 - Chondromalacia patellae, left knee
M22.8 - Other disorders of patella
M22.8X - Other disorders of patella
M22.8X1 - Other disorders of patella, right knee
M22.8X2 - Other disorders of patella, left knee
M22.8X9 - Other disorders of patella, unspecified knee
M22.9 - Unspecified disorder of patella
M22.90 - Unspecified disorder of patella, unspecified knee
M22.91 - Unspecified disorder of patella, right knee
M22.92 - Unspecified disorder of patella, left knee
About ICD-10-CM Code M22 (Disorder of patella)
ICD-10-CM code M22 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM M22 became effective on October 1, 2024.
This page provides detailed information about M22 - Disorder of patella. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Disorder of patella.