Test Details
Mnemonic
THAL
Ordering Code
3510300
CPT-4 Code(s)
83018
Specimen Information
Collect
Dark blue trace element EDTA
Specimen Preparation
Collect whole blood in Dark blue trace metal EDTA until tube is full. Send original collection tube.
Minimum Volume
0.3 mL
Transport Temperature
Refrigerated
Rejection Criteria
Gross icterus, heparinized whole blood
Stability
Room temperature: 28 days
Refrigerated: 28 days
Frozen: 28 days
Refrigerated: 28 days
Frozen: 28 days
Methodology
Inductively Coupled Plasma/Mass Spectrometry
Reference Range
0-17 years: Not established
≥18 years: <2 ng/mL
≥18 years: <2 ng/mL
Performing Laboratory
Mayo Clinic Laboratories
New York DOH Approval Status
Yes