Z45.42 Encounter for adjustment and management of neurostimulator

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Encounter for adjustment and management of brain neurostimulator
• Encounter for adjustment and management of gastric neurostimulator
• Encounter for adjustment and management of peripheral nerve neurostimulator
• Encounter for adjustment and management of sacral nerve neurostimulator
• Encounter for adjustment and management of spinal cord neurostimulator
• Encounter for adjustment and management of vagus nerve neurostimulator

Applies from Z45 Encounter for adjustment and management of implanted device

Includes

• removal or replacement of implanted device

Excludes1 (never code together)

• malfunction or other complications of device - see Alphabetical Index

Excludes2 (not included here)

• encounter for fitting and adjustment of non-implanted device (Z46.-)

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

• V53.02 Fitting and adjustment of neuropacemaker (brain) (peripheral nerve) (spinal cord)

Code annotations containing back-references to Z45.42

Back-references to Z45.4

• Type 2 Excludes: Z46.2 Encounter for fitting and adjustment of other devices related to nervous system and special senses ("encounter for adjustment and management of implanted nervous system device (Z45.4-)")

Back-references to Z45

• Type 1 Excludes: Z08 Encounter for follow-up examination after completed treatment for malignant neoplasm ("aftercare following medical care (Z43-Z49, Z51)")
• Type 1 Excludes: Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm ("aftercare following medical care (Z43-Z49, Z51)")
• Type 1 Excludes: Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm ("surveillance of prosthetic and other medical devices (Z44-Z46)")
• Type 2 Excludes: Z43 Encounter for attention to artificial openings ("fitting and adjustment of prosthetic and other devices (Z44-Z46)")
• Type 2 Excludes: Z46 Encounter for fitting and adjustment of other devices ("encounter for fitting and management of implanted devices (Z45.-)")
• Type 2 Excludes: Z48 Encounter for other postprocedural aftercare ("encounter for fitting and adjustment of prosthetic and other devices (Z44-Z46)")
• Type 2 Excludes: Z96 Presence of other functional implants ("fitting and adjustment of prosthetic and other devices (Z44-Z46)")
• Type 2 Excludes: Z97 Presence of other devices ("fitting and adjustment of prosthetic and other devices (Z44-Z46)")
• Type 2 Excludes: Z98 Other postprocedural states ("aftercare (Z43-Z49, Z51)")

Diagnosis Index entries for Z45.42

• Admission (for) › adjustment (of) › brain neuropacemaker › implanted
• Admission (for) › adjustment (of) › device NEC › implanted › nervous system › neuropacemaker
• Admission (for) › adjustment (of) › neuropacemaker (brain) (peripheral nerve) (spinal cord) › implanted
• Admission (for) › adjustment (of) › pacemaker (cardiac resynchronization therapy (CRT-P)) › nervous system › implanted
• Admission (for) › change of › neuropacemaker device (brain) (peripheral nerve) (spinal cord) › implanted
• Admission (for) › fitting (of) › brain neuropacemaker › implanted
• Admission (for) › fitting (of) › neuropacemaker (brain) (peripheral nerve) (spinal cord) › implanted
• Admission (for) › removal of › neuropacemaker (brain) (peripheral nerve) (spinal cord) › implanted
• Aftercare › neuropacemaker (brain) (peripheral nerve) (spinal cord) › implanted
• Encounter (with health service) (for) › adjustment and management (of) › neurostimulator (brain) (gastric) (peripheral nerve) (sacral nerve) (spinal cord) (vagus nerve)
• Fitting (and adjustment) (of) › brain neuropacemaker › implanted
• Fitting (and adjustment) (of) › neuropacemaker › implanted
• Fitting (and adjustment) (of) › pacemaker (cardiac) (cardiac resynchronization therapy (CRT-P)) › nervous system (brain) (peripheral nerve) (spinal cord) › implanted

Nearby codes

• Z45.320 Encounter for adjustment and management of bone conduction device
• Z45.321 Encounter for adjustment and management of cochlear device
• Z45.328 Encounter for adjustment and management of other implanted hearing device
• Z45.4 Encounter for adjustment and management of implanted nervous system device
• Z45.41 Encounter for adjustment and management of cerebrospinal fluid drainage device
• Z45.42 Encounter for adjustment and management of neurostimulator (this code)
• Z45.49 Encounter for adjustment and management of other implanted nervous system device
• Z45.8 Encounter for adjustment and management of other implanted devices
• Z45.81 Encounter for adjustment or removal of breast implant
• Z45.811 Encounter for adjustment or removal of right breast implant
• Z45.812 Encounter for adjustment or removal of left breast implant