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# Investigations - Whole blood and components

## Essential information

Definition/s

  Radionuclides are unstable materials that emit radioactivity when they decay. They are used in some special investigations carried out in radiology (X-ray) and medical physics departments. They may be breathed in, taken by mouth or given by injection.

Obligatory

  Must not donate if:

  Waiting for investigation or the results of investigations for an undiagnosed condition which might lead to deferral.

Discretionary

  If for 'routine' investigations, such as attending for a cervical smear, mammogram, a well person clinic when no abnormality is expected, or for the routine monitoring of a condition, such as diabetes controlled by diet or oral medication, which of itself would not be a cause for deferral, accept.

## Supporting information

See if relevant
  - Endoscopy
  - Prostate problems
  - Radionuclides
Additional information

  Investigations may lead to the diagnosis of a condition that would lead to deferral. For this reason, any investigations for an undiagnosed condition must lead to deferral until the results are known by the potential donor. A decision can then be made as to if the person can be accepted as a donor.

Reason for change:
  A 'Definition' of 'Radionuclides' has been added. Entries have been added under 'Discretionary', 'See if Relevant' and 'Additional Information'.
Version details:

  WB-DSG Edition 203 Release 01 (01 June 2010)

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