QuoteThe more popular tests often claim to reveal hidden allergies that medical allergy tests cannot detect. Most of these, including cytotoxic , ELISA/ACT, ALCAT, and NuTron testing study the changes to white blood cells in the presence of certain allergens. All of these tests deliver unreliable results
QuoteAnswer:
I believe that the ALCAT is a test of unproven diagnostic efficacy. The best source of information for you in this regard is the following reference:
Wuthrich B. Unprudent techniques in allergy diagnosis. Journal of Investigative Allergology and Clinical Immunology 2005; 15:86-90.