NCIt definition : A tuberculin skin test where a standard dose of 5 Tuberculin units of purified protein
derivative is injected under the skin of the inner surface of the forearm. Results
are read 48-72 hours later.;
Alternative definition : CDISC: A single puncture tuberculin skin test in which a standard dose of 5 Tuberculin
units of purified protein derivative is injected under the skin of the inner surface
of the forearm.; NICHD: A tuberculin skin test in which a standard dose of purified protein derivative
is injected under the skin of the inner surface of the forearm.;