12
Selecting a Treatment Regimen
Table 5. Laboratory Monitoring Schedule for HIV-Infected
Patients Before and After Initiation of ART
a
Laboratory
Test
Timepoint/Frequency of Testing
Entry into
Care
ART
Initiation
b
or
Modification
2–8 Weeks
After ART
Initiation or
Modification
Every
3–6 Months
HIV
Serology
If HIV
diagnosis
has not been
confirmed
CD4 Count
During first
2 years
of ART or if
viremia
develops while
patient on
ART or
CD4 count
<300
cells/mm
3
HIV Viral Load
d e
Resistance
Testing
f
HLA-B*5701
Testing
If
considering
ABC
Tropism Testing
If considering a
CCR5
antagonist
Hepatitis B
Serology
g,h,i
(HBsAb,
HBsAg,
HBcAb
total)
May repeat if
patient
non-immune
and not
chronically
infected
with HBV
h
