Is Z45.018 a billable ICD-10-CM code?

Yes. Z45.018 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z45.018 sit in the tabular list?

Factors influencing health status and contact with health services (Z00-Z99), in the block Encounters for other specific health care (Z40-Z53).

What cannot be coded together with Z45.018?

Z45.018 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

Z45.018

Z45.018 — Encounter for adjustment and management of other part of cardiac pacemaker

Billable / specific codeICD-10-CMPOA exempt

Z45.018 is a billable, specific ICD-10-CM code for encounter for adjustment and management of other part of cardiac pacemaker. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

presence of other part of cardiac pacemaker (Z95.0)

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

presence of prosthetic and other devices (Z95.1-Z95.5, Z95.811-Z97)

Risk adjustment

Z45.018 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

Z45.018 is named in 11 Medicare coverage policies — 11 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56451Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
A56602Billing and Coding: Cardiac Rhythm Device Evaluation
A56737Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
A57038Billing and Coding: Surveillance of Implantable or Wearable Cardioverter Defibrillators (ICDs): Office, Hospital, Web, or Non-Web Based

How Z45.018 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Z45.018.

Change›pacemaker
Checking›cardiac pacemaker(battery) (electrode(s))
Fitting›CRT-P(cardiac resynchronization therapy pacemaker)
Fitting›pacemaker(cardiac) (cardiac resynchronization therapy (CRT-P))
Interrogation›cardiac pacemaker
Management›cardiac pacemaker NEC
Cardiac›pacemaker›management or adjustment
Admission›adjustment›pacemaker›cardiac
Worn out›cardiac›pacemaker›lead
Admission›adjustment›device NEC›implanted›cardiac›pacemaker(cardiac resynchronization therapy (CRT-P))

Related codes at this level

Codes that share Z45.01. If Z45.018 is not quite right, the correct code is usually one of these.

Z45.010Encounter for checking and testing of cardiac pacemaker pulse generator [battery]

Questions about Z45.018

Is Z45.018 a billable ICD-10-CM code?: Yes. Z45.018 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z45.018 sit in the tabular list?: Factors influencing health status and contact with health services (Z00-Z99), in the block Encounters for other specific health care (Z40-Z53).
What cannot be coded together with Z45.018?: Z45.018 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.