ICD-10-CM > Z00-Z99 > Z77-Z99 > Z89 > Z89.0 Z89.0 Acquired absence of thumb and other finger(s) Non-Billable/Non-Specific Codes Z89.01Acquired absence of thumbZ89.011Acquired absence of right thumbZ89.012Acquired absence of left thumbZ89.019Acquired absence of unspecified thumbZ89.02Acquired absence of other finger(s)Z89.021Acquired absence of right finger(s)Z89.022Acquired absence of left finger(s)Z89.029Acquired absence of unspecified finger(s)