Geisinger Medical Laboratories Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  


Geisinger Epic Procedure Code: LAB3035             Geisinger Epic ID: 34841

Specimen type:
Serum (preferred) or plasma
Preferred collection container:
Alternate Collection Container:
6 mL dark blue-top (K2 EDTA) tube
Specimen required:
2 mL aliquot serum or plasma; minimum 0.7 mL.
Special notes:
Do not use gel barrier tubes.
Patient preparation:
Patient should refrain from taking vitamin or mineral supplements for at least three (3) days before collection.

Specimen processing instructions:
Centrifuge serum or plasma specimens within 1 hour of collection. Immediately separate serum or plasma specimens from the cells into special trace element collection vial(s). Transport as indicated. 
Transport temperature:
Specimen stability:
Room Temperature: 8 hours. Refrigerated: 14 days. Frozen: 1 month.
Rejection criteria:
Stability limits exceeded.

Reference interval:
Adult 63-160 µg/L
  <2 Years 16-71 µg/L
  2-3 Years 40-103 µg/L
  4-16 Years 55-134 µg/L
CPT code(s):
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Selenium level, serum or plasma.
Atomic Absorption
Spectrophotometric (Colorimetric)
Quest test code 5507
Clinical significance:
Selenium is an element of parental nutrition. Monitoring the selenium concentrations is useful in assessing parental nutrition, especially recent intake. Concentrations are also monitored in children with proprionic acidemia who require special diets with supplements.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Tuesday, Thursday morning    
Performed STAT? No
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