The time of collection for most other speciemens will depend on the condition of the patient, and the time agreed between medical, nursing and laboratory personnel for the delivery of
the specimen to the laboratory. Every effort must be made
microbiological investigation before antimicrobial started.
The laboratory should issue
written instruction to all those
out patient clinics and health centres.
Precaution apply to the collection of most microbiological specimens:
Use a collection technicnque that will ensure a specimencontains only those organisms from the site where it was collected.
If contaminating organisms are introduced in
to a specimen during its subsequent handling, this
collection may lead
difficulties in the interpretation of cultures and
delays in the issuing reports.
essential when collecting from site that are normally sterile.
Example: collection of blood, CSF or effusions