Z45.0 vs Z95.0
Z45.0 and Z95.0 can never be reported together. ICD-10-CM declares them mutually exclusive with an Excludes1 note, meaning the two conditions cannot occur in the same patient — so exactly one of them is correct for any given encounter.
The official note, declared on Z95.0
adjustment or management of cardiac pacemaker (Z45.0)
Z45.0
Encounter for adjustment and management of cardiac device
Not billable
- Chapter 21
- Factors influencing health status and contact with health services
- Section
- Z40-Z53
Z95.0
Presence of cardiac pacemaker
Billable
- Chapter 21
- Factors influencing health status and contact with health services
- Section
- Z77-Z99
Use when the record says
- Presence of cardiac resynchronization therapy (CRT-P) pacemaker
Indexed under
- Presence › CRT-P (of)
- Cardiac › pacemaker › in situ
- Presence › cardiac › pacemaker (of)
- Presence › implanted device › cardiac pacemaker (of)
- Status › pacemaker › cardiac (post)
Excludes1 is not always absolute: where two conditions covered by the note are genuinely unrelated, CMS guidance permits reporting both. Document the reasoning rather than assuming it. More on Excludes1 vs Excludes2 · FY2027