ICD-10-CM > S00-T88 > T80-T88 > T85 > T85.8 > T85.84 T85.84 Pain due to internal prosthetic devices, implants and grafts, not elsewhere classified Non-Billable/Non-Specific Codes T85.840Pain due to nervous system prosthetic devices, implants and graftsT85.840A..., initial encounterT85.840D..., subsequent encounterT85.840S..., sequelaT85.848Pain due to other internal prosthetic devices, implants and graftsT85.848A..., initial encounterT85.848D..., subsequent encounterT85.848S..., sequela