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.
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.
3. Choose one of the letter boxes to display a list of all test names and keywords starting with that letter.
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.