Test Details

Mnemonic

CARO

Ordering Code

1004040

CPT-4 Code(s)

82380

Specimen Information

Patient Preparation

Fast for 12 hours prior to collection.
more

Collect

SST
more

Specimen Preparation

Centrifuge, separate serum from cells and send 2.0 mL serum frozen in an amber screw-capped vial. PROTECT FROM LIGHT. CRITICAL FROZEN.
more

Alternate Specimen

Serum: Red-top
more

Minimum Volume

1.5 mL
more

Transport Temperature

Frozen
more

Rejection Criteria

Refrigerated serum, hemolyzed serum, sample not protected from light
more

Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 14 days
more

Methodology

Colorimetric
more

Reference Range

70 - 300 µg/dL
more

Performing Laboratory

Warde Medical Laboratory
more