Pre-test preparation or requirements
• Sample can be drawn at any time. No fasting or special preparation required.
• Sample should taken in plain vial.
Significance of test
VDRL- Venereal disease research laboratory test is a screening test for syphilis.
Syphilis is a veneral disease caused by Treponema Pallidum.
TPHA is a highly specific diagnostic test for syphilis.
The antibodies may persist even after successful completion of treatment.
False positive results are known to occur in Leprosy, Infectious mononucleosis & some autoimmune diseases.