FY2027
MenuClose
Excludes1 pair

Z00.5 vs Z52-

Z00.5 and Z52 are not coded together. ICD-10-CM declares them mutually exclusive with an Excludes1 note — the two conditions are not expected to occur together, so exactly one of them is normally correct for a given encounter. The Official Guidelines carve out one exception: if the two conditions are clearly unrelated to each other, both may be reported.

The official note, declared on Z52
examination of potential donor (Z00.5)
Z00.5

Encounter for examination of potential donor of organ and tissue

Billable
Chapter 21
Factors influencing health status and contact with health services
Section
Z00-Z13
Indexed under
  • Donor › potential, examination of
  • Examination › donor (potential)
  • Admission › examination at health care facility › donor (potential)
  • Examination › medical › donor (potential)
Z52

Donors of organs and tissues

Not billable
Chapter 21
Factors influencing health status and contact with health services
Section
Z40-Z53
Use when the record says
  • autologous and other living donors

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