Test Overview

Test Methodology


Reference Range*

Interpretive report provided

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed

Tuesday, Thursday, Saturday

Analytic Time

3 - 5 days

Soft Order Code


MiChart Code




Laboratory Reference

Quest Diagnostics Valencia 94465

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

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Order Kits and Supplies

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Test FAQ

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Specimen Requirements

Offsite Collection Instructions

Collect specimen in SST tube. Spin and aliquot into a screw capped plastic tube. Send to Specimen Processing ambient


Yellow Top Tube

Normal Volume

0.5 mL serum

Minimum Volume

0.3 mL serum

Additional Information

By ordering this test the clinician acknowledges that additional reflex testing will be performed and billed at a separate additional charge if indicated. Test performed by Quest Diagnostics Valencia

Billing Information

Fee Codes

CPT Code


Reflex Fee Code


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