Z45.4 — Encounter for adjustment and management of implanted nervous system device

Not billable

Is Z45.4 billable?

No — Z45.4 is a non-billable header code. Z45.4 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath Z45.4.

Billable codes under this header

Z45.4 at a glance

Code	Z45.4
Description	Encounter for adjustment and management of implanted nervous system device
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Excludes1 — never code together — inherited from Z45

The conditions below can never be reported together with Z45.4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

malfunction or other complications of device - see Alphabetical Index

Excludes2 — not included here — inherited from Z40-Z53

The conditions below are not part of Z45.4, but a patient may have both at the same time. When documentation supports it, Z45.4 and the excluded code may both be reported.

follow-up examination for medical surveillance after treatment (Z08-Z09)

Excludes2 — not included here — inherited from Z45

The conditions below are not part of Z45.4, but a patient may have both at the same time. When documentation supports it, Z45.4 and the excluded code may both be reported.

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

What codes fall under Z45.4? (3)

How long has Z45.4 existed?

Z45.4 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.