#ExistMethodology>
| Methodology: |
High Performance Liquid Chromatography
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*ExistMethodology>
#ExistPerformed>
| Performed: |
Sun, Tue-Sat
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*ExistPerformed>
#ExistReported>
| Reported: |
2-6 days
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*ExistReported>
#ExistSpecRequirements>
| Specimen Required: |
#ExistCollect>Collect: One 7 mL lavender (EDTA) or pink (K2EDTA).
*ExistCollect>
#ExistTransport>Transport: 4 mL plasma, frozen. (Min: 1.5 mL) Submit specimen in an ARUP Standard Transport Tube.
*ExistTransport>
#ExistRemarks>Remarks: Collect specimen and place in wet ice bath. Centrifuge at 4 degrees C within 1 hour. Remove plasma from cells and freeze immediately. Patient Preparation: Discontinue epinephrine and epinephrine-like drugs at least one week before obtaining the specimen. The patient must refrain from using acetaminophen for 48 hours before the specimen is drawn. The patient must refrain from using caffeine, medications, and tobacco; and from drinking coffee, tea, or alcoholic beverages for at least four hours before the specimen is drawn. Collect the sample after the patient has had 15 minutes rest in a supine position. An overnight fast prior to sample collection is recommended.
*ExistRemarks>
#ExistStability>Stability: After separation from cells: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month
*ExistStability>
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*ExistSpecRequirements>
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