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Test Code TLB Thallium, Blood

Additional Codes

UCL: YPY

Powerchart: Thallium Level Serum

Epic: LAB1026 Thallium, Serum

Reporting Name

Thallium, B

Useful For

Detecting toxic thallium exposure in whole blood specimens

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Whole blood


Specimen Required


Patient Preparation: High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.

Supplies: Metal Free B-D Tube (EDTA), 6 mL (T183)

Container/Tube: Royal blue-top (EDTA) Vacutainer plastic trace element blood collection tube (T183)

Specimen Volume: Full tube

Collection Instructions:

1. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.

2. Send specimen in original tube.

Additional Information: If ordering the trace element blood collection tube from BD, order catalog #368381.


Specimen Minimum Volume

0.3 mL

Specimen Stability Information

Specimen Type Temperature Time
Whole blood Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Reference Values

0-17 years: not established

≥18 years: <2 ng/mL 

Day(s) and Time(s) Performed

Tuesday, Friday; 8 a.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

83018

LOINC Code Information

Test ID Test Order Name Order LOINC Value
TLB Thallium, B In Process

 

Result ID Test Result Name Result LOINC Value
8149 Thallium, B 5744-8

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross OK

Icterus

Mild OK; Gross reject

Other

Green-top (heparin) tube

Method Name

Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)