What Causes False Positive For Syphilis Testing?

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Definition

The FTA-ABS test is a blood test to detect antibodies to the bacteria Treponema pallidum, which causes syphilis.

This test is used to confirm whether a positive screening test for syphilis means there is a true infection.


Alternative Names

Fluorescent treponemal antibody absorption test


How the test is performed

Blood is drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (antiseptic). The health care provider...

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