M92.42 Juvenile osteochondrosis of patella, left knee

Billable ICD-10-CM code, FY2026.

Applies from M92.4 Juvenile osteochondrosis of patella

Applicable to

• Osteochondrosis (juvenile) of primary patellar center [Köhler]
• Osteochondrosis (juvenile) of secondary patellar centre [Sinding Larsen]

MS-DRG index

Defines the logic of DRG(s) 553-554 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 732.4 Juvenile osteochondrosis of lower extremity, excluding foot (approximate)

Code annotations containing back-references to M92.42

Back-references to M92

• Type 1 Excludes: M87 Osteonecrosis ("juvenile osteonecrosis (M91-M92)")
• Type 1 Excludes: M87 Osteonecrosis ("osteochondropathies (M90-M93)")

Nearby codes

• M92.31 Other juvenile osteochondrosis, right upper limb
• M92.32 Other juvenile osteochondrosis, left upper limb
• M92.4 Juvenile osteochondrosis of patella
• M92.40 Juvenile osteochondrosis of patella, unspecified knee
• M92.41 Juvenile osteochondrosis of patella, right knee
• M92.42 Juvenile osteochondrosis of patella, left knee (this code)
• M92.5 Juvenile osteochondrosis of tibia and fibula
• M92.50 Unspecified juvenile osteochondrosis of tibia and fibula
• M92.501 Unspecified juvenile osteochondrosis, right leg
• M92.502 Unspecified juvenile osteochondrosis, left leg
• M92.503 Unspecified juvenile osteochondrosis, bilateral leg