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Test Code


CPT Code(s)


Preferred Specimen(s)

2 mL serum collected in a no additive (dark blue-top) trace element tube

Minimum Volume

0.7 mL

Alternative Specimen(s)

EDTA (royal blue-top) tube

Tests performed on a specimen submitted in a non-trace element tube/container (non-acid washed) may not accurately reflect the patient's level. If a non-trace element tube/container is received, it will be accepted for testing. However, elevated results shall be reported with a message that re-submission with a trace element tube/container is recommended.

Collection Instructions

Centrifuge serum or plasma specimen within 1 hour of collection. Immediately separate serum or plasma from the cells into special trace element collection vial(s).

Specimen Container

No additive (royal blue-top) trace element tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 30 days

Reject Criteria

Received room temperature • Hemolysis


Atomic Spectroscopy (AS)

Performing Laboratory

Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

Setup Schedule

Set up: Tue, Fri a.m.; Report available: 2 days

Reference Range(s)

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

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.

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result NameLOINC CodeComponent Name

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.