ANTI-HETEROLOGOUS PROTEIN (AHP)
: Indirect, non-competitive ELISA (enzyme-linked immunosorbent assay)
: Reportable ranges: IgM - 1:50 to 1:6400; IgG - 1:100 to 1:12,800
: Red Top Tube spun down with serum removed
: 1 mL serum
: Freeze the serum at -20 degrees Celsius (Refrigeration at 2-8 degrees Celsius is acceptable but prefer frozen.)
: Once a week
: Test is usually performed once a week on Fridays. Give advance notice for ASAP specimens.
: Neg IgM - <1:50; Neg IgG - <1:100; Low Positive - 1:100 to 1:400; Mid Positive - 1:800 to 1:1600; High Positive - >1:1600; Alert Values (notify client ASAP)>1:800
: SHIPPING: Ship sample overnight on dry ice in compliance with DOT regulations for diagnostic samples. If dry ice is not available, ship the serum frozen with frozen cold packs. Ship to the attention of: TRANSPLANT DRUG MONITORING.
REQUISITION: Each sample must be accompanied by a requisition containing the patient's name, age, DOB, unique ID # and Physician's name, the requesting facility, collection date. Please include a contact phone number and a fax number.
RESULTS: Reports will be mailed to the facility. If reports need to be faxed, please notify the lab. Contact the lab with any questions: 615-255-5227.
Search Options for the Test Directory:
1. Enter the test name in the Keyword search field.
Hint: You can also enter any part of the test name to expand the search.
(Example: you can type "west" or "sed" or "rate" to find Westergren Sedimentation Rate)
2. Enter the Vanderbilt Test Code, if known.
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If you are unable to find a test in our directory, please contact VPLS at
1-800-551-5227 or e-mail firstname.lastname@example.org.