ICD-10-CM > M00-M99 > M20-M25 > M25 > M25.6 > M25.63 M25.63 Stiffness of wrist, not elsewhere classified Non-Billable/Non-Specific Codes M25.631Stiffness of right wrist, not elsewhere classifiedM25.632Stiffness of left wrist, not elsewhere classifiedM25.639Stiffness of unspecified wrist, not elsewhere classified