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MERCURY, WHOLE BLOOD

Mnemonic

HG B

Specimen Collection Requirements

Patient Preparation

Diet, medication, and nutritional supplements may introduce interfering substances. Patient should be encouraged to discontinue nutritional supplements, vitamins, minerals, and non-essential over-the-counter medications (upon the advice of their physician), and avoid shellfish and seafood for 48 to 72 hours.

Collect

Whole Blood, one 7 mL royal blue (K2EDTA) or (Na2 EDTA) top tube

Handling

Transport whole blood in the original collection tube.

Preferred Volume

7.0 mL

Minimum Volume

1.0 mL

Transport

Room temperature (20-25°C). Also acceptable: Refrigerated.

Rejection Criteria

Heparin anticoagulant, frozen specimen

Stability

Mercury is volatile; concentration may reduce after 7 or more days in storage.

Testing Information

Performed

Sun-Sat

Reported

1-4 days

Method

Quantitative Atomic Absorption/Quantitative Inductively Coupled Plasma-Mass Spectrometry

Referral Lab

ARUP (99305)

Reference Values

Reference Values

0-10 µg/L

Comments

Elevated results from noncertified trace element-free collection tubes may be due to contamination. Elevated concentrations of trace elements in blood should be confirmed with a second specimen collected in a tube designed for trace element determinations, such as a royal blue (Na2EDTA) tube.

CPT Codes

83825

Last Updated: Thursday, March 2, 2017 01:05:42 PM


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