| S8490XA | Injury of unspecified nerve at lower leg level, unspecified leg, initial encounter |
| S8490XS | Injury of unspecified nerve at lower leg level, unspecified leg, sequela |
| S8491XA | Injury of unspecified nerve at lower leg level, right leg, initial encounter |
| S8491XS | Injury of unspecified nerve at lower leg level, right leg, sequela |
| S8492XA | Injury of unspecified nerve at lower leg level, left leg, initial encounter |
| S8492XS | Injury of unspecified nerve at lower leg level, left leg, sequela |
| S9400XA | Injury of lateral plantar nerve, unspecified leg, initial encounter |
| S9400XS | Injury of lateral plantar nerve, unspecified leg, sequela |
| S9401XA | Injury of lateral plantar nerve, right leg, initial encounter |
| S9401XS | Injury of lateral plantar nerve, right leg, sequela |
| S9402XA | Injury of lateral plantar nerve, left leg, initial encounter |
| S9402XS | Injury of lateral plantar nerve, left leg, sequela |
| S9410XA | Injury of medial plantar nerve, unspecified leg, initial encounter |
| S9410XS | Injury of medial plantar nerve, unspecified leg, sequela |
| S9411XA | Injury of medial plantar nerve, right leg, initial encounter |
| S9411XS | Injury of medial plantar nerve, right leg, sequela |
| S9412XA | Injury of medial plantar nerve, left leg, initial encounter |
| S9412XS | Injury of medial plantar nerve, left leg, sequela |
| S9420XA | Injury of deep peroneal nerve at ankle and foot level, unspecified leg, initial encounter |
| S9420XS | Injury of deep peroneal nerve at ankle and foot level, unspecified leg, sequela |
| S9421XA | Injury of deep peroneal nerve at ankle and foot level, right leg, initial encounter |
| S9421XS | Injury of deep peroneal nerve at ankle and foot level, right leg, sequela |
| S9422XA | Injury of deep peroneal nerve at ankle and foot level, left leg, initial encounter |
| S9422XS | Injury of deep peroneal nerve at ankle and foot level, left leg, sequela |
| S9430XA | Injury of cutaneous sensory nerve at ankle and foot level, unspecified leg, initial encounter |
| S9430XS | Injury of cutaneous sensory nerve at ankle and foot level, unspecified leg, sequela |
| S9431XA | Injury of cutaneous sensory nerve at ankle and foot level, right leg, initial encounter |
| S9431XS | Injury of cutaneous sensory nerve at ankle and foot level, right leg, sequela |
| S9432XA | Injury of cutaneous sensory nerve at ankle and foot level, left leg, initial encounter |
| S9432XS | Injury of cutaneous sensory nerve at ankle and foot level, left leg, sequela |
| S948X1A | Injury of other nerves at ankle and foot level, right leg, initial encounter |
| S948X1S | Injury of other nerves at ankle and foot level, right leg, sequela |
| S948X2A | Injury of other nerves at ankle and foot level, left leg, initial encounter |
| S948X2S | Injury of other nerves at ankle and foot level, left leg, sequela |
| S948X9A | Injury of other nerves at ankle and foot level, unspecified leg, initial encounter |
| S948X9S | Injury of other nerves at ankle and foot level, unspecified leg, sequela |
| S9490XA | Injury of unspecified nerve at ankle and foot level, unspecified leg, initial encounter |
| S9490XS | Injury of unspecified nerve at ankle and foot level, unspecified leg, sequela |
| S9491XA | Injury of unspecified nerve at ankle and foot level, right leg, initial encounter |
| S9491XS | Injury of unspecified nerve at ankle and foot level, right leg, sequela |
| S9492XA | Injury of unspecified nerve at ankle and foot level, left leg, initial encounter |
| S9492XS | Injury of unspecified nerve at ankle and foot level, left leg, sequela |
| T8501XA | Breakdown (mechanical) of ventricular intracranial (communicating) shunt, initial encounter |
| T8502XA | Displacement of ventricular intracranial (communicating) shunt, initial encounter |
| T8503XA | Leakage of ventricular intracranial (communicating) shunt, initial encounter |
| T8509XA | Other mechanical complication of ventricular intracranial (communicating) shunt, initial encounter |
| T85110A | Breakdown (mechanical) of implanted electronic neurostimulator of brain electrode (lead), initial encounter |
| T85111A | Breakdown (mechanical) of implanted electronic neurostimulator of peripheral nerve electrode (lead), initial encounter |
| T85112A | Breakdown (mechanical) of implanted electronic neurostimulator of spinal cord electrode (lead), initial encounter |
| T85113A | Breakdown (mechanical) of implanted electronic neurostimulator, generator, initial encounter |
| T85118A | Breakdown (mechanical) of other implanted electronic stimulator of nervous system, initial encounter |
| T85120A | Displacement of implanted electronic neurostimulator of brain electrode (lead), initial encounter |
| T85121A | Displacement of implanted electronic neurostimulator of peripheral nerve electrode (lead), initial encounter |
| T85122A | Displacement of implanted electronic neurostimulator of spinal cord electrode (lead), initial encounter |
| T85123A | Displacement of implanted electronic neurostimulator, generator, initial encounter |
| T85128A | Displacement of other implanted electronic stimulator of nervous system, initial encounter |
| T85190A | Other mechanical complication of implanted electronic neurostimulator of brain electrode (lead), initial encounter |
| T85191A | Other mechanical complication of implanted electronic neurostimulator of peripheral nerve electrode (lead), initial encounter |
| T85192A | Other mechanical complication of implanted electronic neurostimulator of spinal cord electrode (lead), initial encounter |
| T85193A | Other mechanical complication of implanted electronic neurostimulator, generator, initial encounter |
| T85199A | Other mechanical complication of other implanted electronic stimulator of nervous system, initial encounter |
| T85610A | Breakdown (mechanical) of cranial or spinal infusion catheter, initial encounter |
| T85615A | Breakdown (mechanical) of other nervous system device, implant or graft, initial encounter |
| T85620A | Displacement of cranial or spinal infusion catheter, initial encounter |
| T85625A | Displacement of other nervous system device, implant or graft, initial encounter |
| T85630A | Leakage of cranial or spinal infusion catheter, initial encounter |
| T85635A | Leakage of other nervous system device, implant or graft, initial encounter |
| T85690A | Other mechanical complication of cranial or spinal infusion catheter, initial encounter |
| T85695A | Other mechanical complication of other nervous system device, implant or graft, initial encounter |
| T85730A | Infection and inflammatory reaction due to ventricular intracranial (communicating) shunt, initial encounter |
| T85731A | Infection and inflammatory reaction due to implanted electronic neurostimulator of brain, electrode (lead), initial encounter |
| T85732A | Infection and inflammatory reaction due to implanted electronic neurostimulator of peripheral nerve, electrode (lead), initial encounter |
| T85733A | Infection and inflammatory reaction due to implanted electronic neurostimulator of spinal cord, electrode (lead), initial encounter |
| T85734A | Infection and inflammatory reaction due to implanted electronic neurostimulator, generator, initial encounter |
| T85735A | Infection and inflammatory reaction due to cranial or spinal infusion catheter, initial encounter |
| T85738A | Infection and inflammatory reaction due to other nervous system device, implant or graft, initial encounter |
| T85810A | Embolism due to nervous system prosthetic devices, implants and grafts, initial encounter |
| T85820A | Fibrosis due to nervous system prosthetic devices, implants and grafts, initial encounter |
| T85830A | Hemorrhage due to nervous system prosthetic devices, implants and grafts, initial encounter |
| T85840A | Pain due to nervous system prosthetic devices, implants and grafts, initial encounter |
| T85850A | Stenosis due to nervous system prosthetic devices, implants and grafts, initial encounter |
| T85860A | Thrombosis due to nervous system prosthetic devices, implants and grafts, initial encounter |
| T85890A | Other specified complication of nervous system prosthetic devices, implants and grafts, initial encounter |
| Z4531 | Encounter for adjustment and management of implanted visual substitution device |
| Z45320 | Encounter for adjustment and management of bone conduction device |
| Z45321 | Encounter for adjustment and management of cochlear device |
| Z45328 | Encounter for adjustment and management of other implanted hearing device |
| Z4541 | Encounter for adjustment and management of cerebrospinal fluid drainage device |
| Z4542 | Encounter for adjustment and management of neurostimulator |
| Z4549 | Encounter for adjustment and management of other implanted nervous system device |
| Z462 | Encounter for fitting and adjustment of other devices related to nervous system and special senses |