The Herpes Simplex Virus 1/2 IgG test is quantitative immunoassays for the detection of human antibodies in serum directed against Herpes Simplex Virus. This test is used for immune status determination. The IgG antibodies test for herpes simplex virus (HSV) detects HSV infection, with HSV-1 causing oral herpes and HSV-2 genital herpes all together as a combination of both types in 1 result.