Test Overview
Test Methodology


Reference Range *

Negative <20 EU/mL

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

Test Details
Days Set Up
Once every two weeks
Analytic Time

18 - 21 days

Soft Order Code
Reference Laboratory
Mayo ZW143, #093 (Immco)
Special Testing
Specimen Requirements

Collect specimen in red top or SST tube. Spin and aliquot into a screw capped plastic tube. If being collected before a weekend, freeze serum. Serum is stable 5 days ambient or refrigerated. Up to a year if frozen.

Normal Volume
2 mL serum
Minimum Volume
0.5 mL serum
Storage Temperature
Ambient/Refrigerated if will be received by Immco within 5 days. (Add 3 days for shipping) if before a weekend, freeze serum for safe keeping, and ship frozen.
Additional Information

Test sent to Mayo Clinic Laboratories; performed by Immco Diagnostics

CPT Code
83520 x9