Skin test anergy

Alternative names:

anergy screen

Normal values:

The injection site will show a greater than 5 mm inflammation zone at the test site of the test antigen.

There should be less than a 5 mm inflammation zone of the disease antigen.

What abnormal results mean:

An inflammation zone of less than 5 mm indicates the immune system may be unable to react to any antigen. Other tests may be performed to determine if the person has been exposed to an antigen.