HIV test

Microbiology

Notes

 

  • The current test detects both HIV 1 and 2 antigen and antibodies
  • It may take up to 3 months for sero-conversion to occur
  • All positive samples are referred for confirmation
  • Positive samples will require a second blood sample to be taken for additional confirmation
  • In the case of sharps/exposure incidents, same day testing of the source patient's blood is available.  Please telephone the laboratory
  • Same day HIV testing in other circumstances is available
  • For viral load testing, see HIV Viral Loads

Sample requirements

Serum - paired samples not required

8.5ml of blood taken into a plain gel tube 

8.5mL BD Vacutainer tube

Required information

  • Relevant clinical details
  • Date of possible infection

Storage/transport

Store at fridge temperature

Transport as soon as possible at ambient temperature

Turnaround time

Negatives: up to 5 days

Positive samples referred to a Regional Reference Centre

Positive results will be reported after all tests are completed and confirmed on both the initial and confirmatory sample


Page last reviewed: 04/05/2016