I have found only three labs that do metal-LTT testing, as follows:
Orthopedic Analysis, in Chicago
MELISSA, seems to be east coast based, with a number of licensed labs, scattered around.
Mayo Clinic in Rochester, MN
I have not been able to determine if the metal-LTT and the MELISSA test aaaare one and the same. It appears to me that the metal-LTT is an off-shoot of the MELISSA test, and sufficiently different... and may be an improved test. But that is not legal fact.
I am going to have my testing done by Orthopedic Analysis in Chicago... a Panel 2 for looking for any reactive (allergy) to a number of metals by the lymphocyte method, and a Metal ION Test to look for the metal particles that may be floating around my system.
Wishing All Wellness!!! 
Old Codger
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79 year old, loves to be very active, but am hampered as time goes on. Partial Cervical Fusion in July 1999, C4&5, C5&6; 2 each-Surgicals for Spinal Stenosis to eliminate neuropathy in feet and lower legs-Sept 2002, no help; Neuropathy cont'd for fifteen years; Clue to neuropathy from past history and new found info of allergy to chromium, nickel and cobalt.
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