Guide. A tuberculin skin test (also called a Mantoux tuberculin test) is done to see if you have ever been exposed to tuberculosis (TB). The test is done by putting a small amount of TB protein (antigens) under the top layer of skin on your inner forearm.he TB antigens used in a tuberculin skin test are called purified protein derivative (PPD). A measured amount of PPD in a shot is put under the top layer of skin on your forearm. This is a good test for finding a TB infection.
The Danville Zip Code is 17821, 17822. If you want to send a mail to Danville City, you should use the 17821, 17822 Zip Code. In 1983, the U.S. Postal Service introduced an expanded Danville ZIP code system that it called ZIP+4, often called plus-four codes, add-on codes, or add ons.
Danville is a borough in and the county seat of Montour County, Pennsylvania, United States, along the North Branch of the Susquehanna River. Danville was home to 8,042 people in 1900, 7,517 people in 1910, and 7,122 people in 1940. The population was 4,699 at the 2010 census.