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HIV Testing Algorithm (excludes HIV rapid testing)

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HIVE/9333 HIV-1/-2 Antibody Evaluation, SerumI indicated, all other tests listed are

automatically perormed and charged separately

I HIV antibody screen already

perormed order 1 o the ollowing:

WBAR/23878 HIV-1/-2 Antibody

Conrmatory Evaluation, Serum

OR

WBANF/32466 HIV-1/-2

Antibody Conrmatory Without

Immunofuorescence Assay, Serum HIV-1 antibody conrmation by Western blot

HIV Types 1 and 2 Conrmatory Evaluation, Serum

HIV-1/2 antibody screen

HIV-1 inection

HIV-2 inection

Positive

Positive

Negative

Negative

PositiveNegative

HIV-2 Antibody Screen, SerumHIV-1 Antibody Conrmation by

Immunofuorescence, Serum

STOP HIV-1 inection

(low-risk patient)

Negative

*Suspect acute HIV inectionor high-risk patient

HIVQU/81958 HIV-1 RNA Quantication, Plasma

OR

PHIV/88635 HIV-1 Proviral DNA Qualitative

Detection by PCR, Blood

STOP

Repeat HIV-2 antibody screen

HIV2/86702 HIV Type 2 Antibody

Screen, Serum (symptomatic patient)

or HIV2M/60356 HIV-2 Antibody

Screen, Serum (nonsymptomatic

individuals) in 3 months or non-high-

risk patients, i clinically indicated

STOP

Repeat HIVE/9333 in 3 months

or non-high-risk patients, i

clinically indicated

Repeat

serologic testing

HIVE/9333 in

2 to 4 weeks

FHV2Q/91490 HIV-2

DNA/RNA Qualitative

Real-Time PCR

Positive Negative

(high-risk patient)

HIV-2 inection

I suspect

HIV-2

I suspect acute

HIV-2 inection

I suspect

HIV-1

(high-risk patient)

Negative

Indeterminate

or Unreadable

Reactive

Negative

For non-high-risk patients,

repeat serologic HIV

testing HIVE/9333 alone,

in 2 to 4 weeks

I suspect acute

HIV inection or high-

risk patient, see*

I suspect acute

HIV inection or high-

risk patient, see*

HIV 2 Antibody IBL(immunoblot)

Positive

HIV-1 inection

PositiveNegativeI suspect acute HIV inection

or high-risk patient, see*

Repeat serologic testing

HIVE/9333 HIV-1/-2 Antibody

Evaluation, Serum in 2 to 4 weeks

Order Options

Unit Code

Tests Perormed HIVE/9333

WBAR/23878

WBANF/32466

HIV-1-2 Antibody Screen X

HIV Types 1 and 2 Conrmatory Evaluation, Serum X X X

HIV-1 Antibody Conrmation by Western blot X X X

HI V Ty pe 1 Antibo dy Co nrm atio n by Imm unof uor esc en ce , S erum X X

HIV Type 2 Antibody Screen, Serum X X X

HIV 2 Antibody IBL (Immunoblood) X X X

Reviewed 07/2012