HIV tropism test (CCR5)
| About This Test | 
| 
 Department: Virology and Molecular Microbiology Requirement: 2 x 4ml EDTA blood (1ml if paediatric) , purple top, 
 Turnaround Time: 22 days  | 

Genotypic detection of CCR5. The HIV tropism test is helpful in deciding whether a CCR5 blocker will be useful in controlling a patient's HIV
Other Comments:
If processing is delayed, refrigeration is preferable to storage at ambient temperature. Delays of over 24 hours are undesirable
Clinical decision points: Interpretive comments included in report
Factors known to significantly affect results: Haemolysis
Reference Lab: Birmingham Heartlands