ICD-10-CM > Z00-Z99 > Z40-Z53 > Z44 > Z44.0 > Z44.00 Z44.00 Encounter for fitting and adjustment of unspecified artificial arm Non-Billable/Non-Specific Codes Z44.001Encounter for fitting and adjustment of unspecified right artificial armZ44.002Encounter for fitting and adjustment of unspecified left artificial armZ44.009Encounter for fitting and adjustment of unspecified artificial arm, unspecified arm