Test Details

Mnemonic

CARBX

Ordering Code

3424260

CPT-4 Code(s)

82375

Specimen Information

Collect

EDTA lavender

Specimen Preparation

Collect 1 full Lavender EDTA tube. Do NOT open tube. Send specimen room temperature.

Alternate Specimen

Whole blood: Heparin

Minimum Volume

0.5 mL

Transport Temperature

Room temperature

Rejection Criteria

Fluoride oxalate (grey top tube), clotted specimen, tube that has been opened

Stability

Room temperature: 5 days
Refrigerated: 10 days
Frozen: Unacceptable

Methodology

Spectrophotometry
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Reference Range

See report
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Performing Laboratory

Quest
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New York DOH Approval Status

Yes
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