ICD-10-CM > Z00-Z99 > Z40-Z53 > Z44 > Z44.3 Z44.3 Encounter for fitting and adjustment of external breast prosthesis Non-Billable/Non-Specific Type 1 Excludes complications of breast implant (T85.4-)encounter for adjustment or removal of breast implant (Z45.81-)encounter for initial breast implant insertion for cosmetic breast augmentation (Z41.1)encounter for breast reconstruction following mastectomy (Z42.1) Codes Z44.30Encounter for fitting and adjustment of external breast prosthesis, unspecified breastZ44.31Encounter for fitting and adjustment of external right breast prosthesisZ44.32Encounter for fitting and adjustment of external left breast prosthesis