M22.9 Unspecified disorder of patella

Non-billable header with 3 child codes.

Applies from M22 Disorder of patella

Excludes2 (not included here)

• traumatic dislocation of patella (S83.0-)

Codes under M22.9

• M22.90 Unspecified disorder of patella, unspecified knee
• M22.91 Unspecified disorder of patella, right knee
• M22.92 Unspecified disorder of patella, left knee

Diagnosis Index entries for M22.9

• Disorder (of) › patella

Nearby codes

• 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 (this code)
• M22.90 Unspecified disorder of patella, unspecified knee
• M22.91 Unspecified disorder of patella, right knee
• M22.92 Unspecified disorder of patella, left knee