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82300:CHROMIUM (Cr)
Methodology:Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Edit Date:3/17/2008
Performed:Tuesday, Thursday, Saturday
Released:1-4 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code:82495-90
Specimen Collection Details
Collection:One 6 mL royal blue top trace element serum (no additives) tube.
Handling:Allow to clot, centrifuge and separate serum from cells and immediately pour into either an ARUP Trace Element-Free transport tube, available from Client Services, or a royal blue trace element-no additive tube. Do not allow serum to remain on cells. Refrigerate.
Stability:If the specimen is collected and stored in the appropriate container, the trace element values do not change with time.
Standard Volume:2 mL serum.
Minimum Volume:0.5 mL serum.
Transport:Refrigerated.
Rejection Criteria:Use of any tube other than specified; specimen not clotted or separated from cells; hemolysis.
Reference Range:
≤ 5.0 µg/L

Elevated results from noncertified trace element-free tubes may be due to contamination. Elevated concentrations of trace elements in serum should be confirmed with a second specimen collected in a trace element-free tube, such as royal blue sterile tube (no additive).