Chromium (Blood)

Testing Laboratory

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

SCHR

Test Code (Numeric Code)

3707

Laboratory Handling

Laboratory

LabPLUS Trace Metals

Sample Stability

Separated plasma 10 days at 2-8°C
Indefinite if frozen

Synonyms

Plasma Chromium

Turnaround Time

2 weeks

Performed fortnightly

Specimen Type

• Plasma

Specimen Requirements

Tube/Container Type:

Preferred

• Trace Element (Royal Blue Cap)

Acceptable

• Lithium Heparin - Non-gel (Green Cap)
• Lithium Heparin PST- Gel (Light Green Cap)

Preferred Sample Volume (ml)

5

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• Lithium Heparin PST- Gel (Light Green Cap)

Acceptable

• Lithium Heparin - Non-gel (Green Cap)

Preferred Sample Volume (ml)

1

Aliquot Instructions

Sample Type

• Plasma

Minimum Volume (ml)

1

Transport to Lab

Chilled (2 - 8 degrees Celsius)

Additional Referral/Aliquot Information

If both plasma Cobalt and plasma Chromium are requested, only one sample is required.

Test Method

Principle : Inductively coupled plasma mass spectrometry (ICP-MS)
Instrument : PlasmaQuant MS Elite

Limitations / Interference

Gadolinium and iodine are known to interfere with metals tests. If either gadolinium or iodine containing contrast media has been administered, a specimen should not be collected for 96 hours.

Uncertainty of Measurement

16%

Resources

• Information about contamination of trace element specimens

Contact Information