ICD-10-CM > M00-M99 > M65-M67 > M67 > M67.3 > M67.34 M67.34 Transient synovitis, hand Non-Billable/Non-Specific Codes M67.341Transient synovitis, right handM67.342Transient synovitis, left handM67.349Transient synovitis, unspecified hand