Pathology Handbook

HIV testing



Clinical Indications


Test Includes

Anti-HIV 1 and anti-HIV 2 antibodies and HIV p24 antigen
Included in routine ante-natal screen, unless HIV screening is declined

Request Form

ICE request


On request during routine working hours

Specific Criteria

Please give detailed clinical information, including the date of onset/contact with the suspected infection

Turnaround Time

All tests will be performed on the next routine working day after receipt of the sample; urgent requests can be carried out by arrangement.

Samples giving a positive test result will be sent to a Reference Laboratory for confirmation/further tests (Colindale); results of these tests will usually be available 7 - 10 days after the date of the original in-house screening test


Serum, red or gold top (SST) tube


7 ml


Vacutainer red top


Samples should be transported to laboratory immediately

Causes for Rejection

Unlabelled / inadequately labelled sample
Delay in sample reaching laboratory

Reference Range

Lab Handling

Aliquot and store at 4ºC prior to testing; store at -40 ºC for 12 months following testing