Z45 vs Z95.0
Z45 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 device (Z45.0-)
Z45
Encounter for adjustment and management of implanted device
Not billable
- Chapter 21
- Factors influencing health status and contact with health services
- Section
- Z40-Z53
Use when the record says
- removal or replacement of implanted device
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