Z45.1 Encounter for adjustment and management of infusion pump

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

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) 949-950 in MDC 23.

Approximate ICD-9-CM (GEMs)

• V58.82 Fitting and adjustment of nonvascular catheter, NEC (approximate)

Code annotations containing back-references to Z45.1

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 Z45.1

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

Nearby codes

• Z45.01 Encounter for adjustment and management of cardiac pacemaker
• Z45.010 Encounter for checking and testing of cardiac pacemaker pulse generator [battery]
• Z45.018 Encounter for adjustment and management of other part of cardiac pacemaker
• Z45.02 Encounter for adjustment and management of automatic implantable cardiac defibrillator
• Z45.09 Encounter for adjustment and management of other cardiac device
• Z45.1 Encounter for adjustment and management of infusion pump (this code)
• Z45.2 Encounter for adjustment and management of vascular access device
• Z45.3 Encounter for adjustment and management of implanted devices of the special senses
• Z45.31 Encounter for adjustment and management of implanted visual substitution device
• Z45.32 Encounter for adjustment and management of implanted hearing device
• Z45.320 Encounter for adjustment and management of bone conduction device