ICD-10-CM > Z00-Z99 > Z40-Z53 > Z46 > Z46.8 Z46.8 Encounter for fitting and adjustment of other specified devices Non-Billable/Non-Specific Codes Z46.81Encounter for fitting and adjustment of insulin pumpZ46.82Encounter for fitting and adjustment of non-vascular catheterZ46.89Encounter for fitting and adjustment of other specified devices