Sign in →

Test Code Se RBC Selenium, Red Blood Cell

Clinical System Name

Selenium, Red Blood Cell


Selenium is a key component of a number of functional selenoproteins required for normal health. The best know of these are the antioxidant glutathione peroxidase enzymes. Selenium plays an important role in the control of thyroid hormone metabolism and is important for proper reproductive performance.

Sample Requirements

Specimen: Whole Blood

Container(s): Dark Blue/EDTA Trace Element Tube (Preferred), Lavender/EDTA, Dark Green/Sodium Heparin

Preferred Vol: 2 mL

Minimum Vol: 1 mL



Processing Instructions

Reject due to: Room temperature or frozen

Spin: N

Aliquot: N

Temp: 2 - 4 C

Storage Location: CPA Refrigerator, Send Outs rack.


Off-site collection: Transport refrigerated whole blood to Seattle Children's Main Lab. The refrigerated sample must reach Seattle Children's Main Lab within 24 hours of collection.


Specimen Type Temperature Time
  Room temp 6 h
  Refrigerated 72 h
  Frozen N



STAT Performed TAT
N T, F 1 - 5 d


Performing Laboratory

Quest Diagnostics Valencia

Nichols Institute

27027 Tourney Road

Valencia, CA 91355-5386


Phone Number: (800) 642-4657


Department: Send Outs

Phone Number: (206) 987-2563

Reference Ranges

120-300 mcg/L


Method: Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

Analytical Volume: 1 mL


CPT Codes


Send Out Instructions

Reference Test Name Selenium RBC
Reference Test Code 17133
Instructions Send out Monday through Friday with the Quest courier.