ICD-10 · PDGM grouping
Z45 Encounter for adjustment and management of implanted device
All 19 codes in the Z45 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
19
Can lead a claim
1
Cannot lead a claim
18
What CMS assigns to Z45
1 of the 19 codes groups to Complex Nursing Interventions; 18 are assigned no clinical group. None of the 19 is assigned a comorbidity subgroup. 1 of the 19 can lead a claim.
Every code in Z45
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| Z45.0 Encounter for adjustment and management of cardiac device | ||||
| Z45.01 Encounter for adjustment and management of cardiac pacemaker | ||||
| Z45.010 | Encounter for checking and testing of cardiac pacemaker pulse generator [battery]CMS: Encntr for checking and test of card pacemaker pulse gnrtr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.018 | Encounter for adjustment and management of other part of cardiac pacemakerCMS: Encounter for adjust and mgmt oth prt cardiac pacemaker | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.02 | Encounter for adjustment and management of automatic implantable cardiac defibrillatorCMS: Encntr for adjust and mgmt of automatic implntbl card defib | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.09 | Encounter for adjustment and management of other cardiac deviceCMS: Encounter for adjustment and management of cardiac device | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.1 | Encounter for adjustment and management of infusion pump | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.2 | Encounter for adjustment and management of vascular access deviceCMS: Encounter for adjustment and management of VAD | Can lead a claim | D | None |
| 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 deviceCMS: Encntr for adjust and mgmt of implnt visual substitution dev | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.32 Encounter for adjustment and management of implanted hearing device | ||||
| Z45.320 | Encounter for adjustment and management of bone conduction deviceCMS: Encounter for adjust and mgmt of bone conduction device | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.321 | Encounter for adjustment and management of cochlear device | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.328 | Encounter for adjustment and management of other implanted hearing deviceCMS: Encounter for adjust and management of implanted hear dev | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.4 Encounter for adjustment and management of implanted nervous system device | ||||
| Z45.41 | Encounter for adjustment and management of cerebrospinal fluid drainage deviceCMS: Encounter for adjustment and management of CSF drain dev | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.42 | Encounter for adjustment and management of neurostimulator | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.49 | Encounter for adjustment and management of other implanted nervous system deviceCMS: Encntr for adjust and mgmt of implanted nervous sys device | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.8 Encounter for adjustment and management of other implanted devices | ||||
| Z45.81 Encounter for adjustment or removal of breast implant | ||||
| Z45.811 | Encounter for adjustment or removal of right breast implant | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.812 | Encounter for adjustment or removal of left breast implant | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.819 | Encounter for adjustment or removal of unspecified breast implantCMS: Encounter for adjustment or removal of unsp breast implant | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.82 | Encounter for adjustment or removal of myringotomy device (stent) (tube)CMS: Encntr for adjust or removal of myringotomy device (tube) | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.89 | Encounter for adjustment and management of other implanted devicesCMS: Encounter for adjustment and management of implanted devices | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z45.9 | Encounter for adjustment and management of unspecified implanted deviceCMS: Encounter for adjust and management of unsp implanted device | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue