It can be ordered
It is done to assess the mutations in HIV virus genome .Mutations in the genome leads to decrease drug response hence its important in patients which are not responding to treatment.
The test results identify the viral mutations. These are described by a combination of letters and numbers where the letters refer to the amino acid associated with the gene and the number refers to the position of the mutation in the genome
CD4 Count-provide prognostic information about health status of patient. (Link CD4 COUNT)
HIV viral load - provide valuable prognostic information of the patient on treatment. (Link HIV viral load)