Z45.1 — Encounter for adjustment and management of infusion pump

Billable

Is Z45.1 billable?

Yes — Z45.1 is billable for FY2027. Z45.1 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z45.1 may be submitted for encounters from October 1, 2026 through September 30, 2027.

Z45.1 at a glance

Code	Z45.1
Description	Encounter for adjustment and management of infusion pump
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does Z45.1 group to?

Z45.1 sits in MDC 23 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

949Aftercare with CC/MCCmedical
950Aftercare without CC/MCCmedical

How is Z45.1 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to Z45.1. They show the wording a clinician may have documented, which often differs from the Tabular description.

Interrogation › infusion pump
Management › infusion pump (of)
Admission › adjustment › device NEC › implanted › infusion pump (for)

Excludes1 — never code together — inherited from Z45

The conditions below can never be reported together with Z45.1 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 Z45.1, but a patient may have both at the same time. When documentation supports it, Z45.1 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 Z45.1, but a patient may have both at the same time. When documentation supports it, Z45.1 and the excluded code may both be reported.

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

How long has Z45.1 existed?

Z45.1 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.