Test Overview
Test Methodology

EIA

Reference Range *

28-100 ng/mL

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

Test Details
Days Set Up
Monday - Friday
Analytic Time

10 - 14 days

Soft Order Code
MMLR
MiChart Code
MMLR
Laboratory
Sendout
Reference Laboratory
Mayo FPEPS (Interscience Institute)
Section
Special Testing
Specimen Requirements
Collection Instructions

Patient should be fasting 10-12 hours prior to collection of specimen. Antacids or other medications affecting stomach acidity or gastrointestinal motility should be discontinued, if possible, for at least 48 hours prior to collection.
Collect specimen in red top or SST. Spin and aliquot into a screw capped plastic tube. Send to Specimen Processing frozen

Yellow Top Tube
Normal Volume
3 mL serum
Minimum Volume
1 mL serum
Storage Temperature
Strict frozen
Additional Information

Test is sent to Mayo Clinic Laboratories; performed by Interscience Institute

Billing
CPT Code
83520
Resources