Last Modified: 11/8/2019 8:51:40 AM

Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:
12 hours Fasting; 

Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.
Specimen Requirements:

1.0 mL Serum in a SST Gold Top Tube

Collection Instructions:  
Minimum Volume: 0.5 mL
Transport & Storage: Temperature/Stability:

28 days Frozen

Rejection Criteria: Thawed specimens; gross hemolysis; gross lipemia;or grossly icteric
Reference Range:
<5 years Not established
5-17 years <65 pg/mL
≥18 years ≤100 pg/mL
Critical Ranges:  
Test Comments: Reference Range applies to fasting specimens only
Methodology: Immunoassay
Clinical Significance:  
Custom Panel: No


Turn Around Time: 1 to 2 days
Days Performed: Monday, Tuesday, Wednesday, Thursday, Friday
Sites Performed: Quest - Chantilly
PHL Test Code: GASTR
EPIC Test Code: LAB80
Send Out Test Code: 478
Included Tests:  
CPT Coding: 82941

Go back to the top of the page.