Z45.4
⚠ Non-billable
Encounter for adjustment and management of implanted nervous system device
ICD-10-CM · FY2026 · Factors Influencing Health Status
Code
Z45.4
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Factors Influencing Health Status
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Z45.4?
ICD-10-CM code Z45.4 represents Encounter for adjustment and management of implanted nervous system device. It is a non-billable header code requiring a more specific subcategory in the Factors Influencing Health Status chapter, effective October 1, 2025 – September 30, 2026.
Is Z45.4 billable?
No. Z45.4 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is Z45.4 in?
Z45.4 belongs to the Factors Influencing Health Status chapter (Z00–Z99) of ICD-10-CM.
Related codes in the Z45 category
Z45
Encounter for adjustment and management of implanted device
Non-billable
Z45.0
Encounter for adjustment and management of cardiac device
Non-billable
Z45.1
Encounter for adjustment and management of infusion pump
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Z45.2
Encounter for adjustment and management of vascular access device
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Z45.3
Encounter for adjustment and management of implanted devices of the special senses
Non-billable
Z45.8
Encounter for adjustment and management of other implanted devices
Non-billable
Z45.9
Encounter for adjustment and management of unspecified implanted device
Billable
Z45.01
Encounter for adjustment and management of cardiac pacemaker
Non-billable
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