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health info  ::  hiv treatment  ::  n.p.e.p. & your doctor

Talking to your doctor about nPEP

May 2007     View PDF     En español

Recommended lab evaluation for nPEP of HIV infection

Test

Baseline

During nPEP*

4–6 wks after exp.

3 mos after exp.

6 mos after exp.

HIV antibody test

E†, S§

 

E

E

E

CBC with differential

E

E

 

 

 

Serum liver enzymes

E

E

 

 

 

Blood urea nitrogen/creatinine

E

E

 

 

 

STD screen

E, S

Eº

Eº

 

 

Hepatitis B serology

E, S

 

Eº

Eº

 

Hepatitis C serology

E, S

 

 

E

E

Pregnancy test

E

Eº

Eº

 

 

HIV viral load

S

 

E**

E**

E**

HIV resistance test

S

 

E**

E**

E**

CD4+ T lymphocyte count

S

 

E**

E**

E**

* Other specific tests might be indicated dependent on the antiretrovirals prescribed. Literature pertaining to individual agents should be consulted.
† E = exposed patient. S = source.
§ HIV antibody testing of the source patient is indicated for sources of unknown serostatus.
º Additional testing for pregnancy, STDs, and HBV should be done as clinically indicated.
** If determined to be HIV infected on follow-up testing, perform as clinically indicated once diagnosed.

Suggested schedule for nPEP

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OTHER LINKS

HIVpepregistry.org

  
     
 

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