PPD Skin Test | Mendel–Mantoux test | tuberculin skin test (TST)

Purpose For PPD Skin Test : Diagnose Tuberculosis 

PPD Skin Test Test Value


 Biological Reference Range

Size Of Erythema0-10 mm
Size Of Induration0-10 mm

How is the PPD skin test performed?

A Nurse injects a tiny amount of tuberculin under the skin usually in forearm, A small, pale bump will form at the injection site. After 48 to 72 hours the doctor examines the skin reaction on the injection site.

Note – Tuberculin is a sterile extract of a purified protein derivative (PPD) made from the bacteria that cause TB (Tuberculosis).

All Pathalogy Test