| Methodology: |
Electrochemiluminescent Immunoassay
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| Performed: |
Sun-Sat
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| Reported: |
Within 24 hours
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| Specimen Required: |
Collect: One 4 mL plain red or serum separator tube. Also acceptable: green (sodium or lithium heparin).
Storage/Transport Temperature: 2 mL serum or plasma, frozen. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.
Remarks: Allow serum specimen to clot fully at room temperature before centrifuging. Separate specimens must be submitted when multiple tests are ordered. If requesting Ionized Calcium with PTH, submit two separate specimens. Refer to Calcium, Ionized, Serum (0020135) for requirements.
Unacceptable Conditions: Specimens collected in EDTA.
Stability (collection to initiation of testing): After separation from cells: Ambient: 8 hours; Refrigerated: 2 days; Frozen: 6 months
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