| Methodology: |
Radioimmunoassay
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| Performed: |
Varies
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| Reported: |
5-8 days
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| Specimen Required: |
Patient Prep: Patient should not be on any steroid, ACTH, or hypertension medication, if possible, for at least 18 hours prior to specimen collection.
Collect: Lavender (EDTA) or pink (K2EDTA).
Specimen Preparation: Separate plasma from cells and freeze ASAP or within 2 hours of collection. Transport 3 mL plasma.
Storage/Transport Temperature: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Remarks:
Unacceptable Conditions: Serum.
Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 months
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