ICD-10-CM > M00-M99 > M91-M94 > M92 > M92.2 > M92.21 M92.21 Osteochondrosis (juvenile) of carpal lunate [Kienböck] Non-Billable/Non-Specific Codes M92.211Osteochondrosis (juvenile) of carpal lunate [Kienböck], right handM92.212Osteochondrosis (juvenile) of carpal lunate [Kienböck], left handM92.219Osteochondrosis (juvenile) of carpal lunate [Kienböck], unspecified hand