Z45.42 Encounter for adjustment and management of neurostimulator
The ICD-10-CM code for Encounter for adjustment and management of neurostimulator is Z45.42 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- Z40-Z53: Encounters for other specific health care (Z40-Z53)
- Category Z45
- 27 codes (19 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to Z45.42:
- Fitting (and adjustment) (of) › neuropacemaker › implanted
- Fitting (and adjustment) (of) › brain neuropacemaker › implanted
- Encounter (with health service) (for) › adjustment and management (of) › neurostimulator (brain) (gastric) (peripheral nerve) (sacral nerve) (spinal cord) (vagus nerve)
- Aftercare › neuropacemaker (brain) (peripheral nerve) (spinal cord) › implanted
- Admission (for) › adjustment (of) › neuropacemaker (brain) (peripheral nerve) (spinal cord) › implanted
- Admission (for) › fitting (of) › brain neuropacemaker › implanted
- Admission (for) › adjustment (of) › brain neuropacemaker › implanted
- Admission (for) › change of › neuropacemaker device (brain) (peripheral nerve) (spinal cord) › implanted
Inclusion Terms
- 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
U.S. Hospital Utilization
- An estimated 845 U.S. inpatient stays in 2023 included Z45.42 among the documented diagnoses.
- 240 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Used with any code in range A00.0-T88.9, Z00-Z991) Used with any code in the range of A00.0-T88.9, Z00-Z99 An external cause code may be used with any code in the range of A00.0-T88.9, Z00-Z99, classification that represents a health condition due to an external cause. Though they are most applicable to injuries, they are also valid for use with such things as infections or diseases due to an external source, and other health conditions, such as a heart attack that occurs during strenuous physical activity.
Additional codes with observation code (fragment)observation code, but only if they are unrelated to the suspected condition being observed.
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026