ARUP's Laboratory Test Directory

Carotene, Serum Total : 0080055

Mnemonic: CARO

Methodology: Quantitative Spectrophotometry
Performed: Sun, Tue-Sat
Reported: 1-3 days
Specimen Required: Patient Prep: Fasting specimens preferred.

Collect: Serum separator tube.

Specimen Preparation: CRITICAL: Protect from light immediately after collection and during storage and shipment. Transfer 3 mL serum to ARUP Amber Transport Tube. (Min: 1.1 mL)

Storage/Transport Temperature: Frozen. Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions: Any specimen other than serum. Refrigerated or room temperature specimens. Hemolyzed or icteric specimens.

Stability (collection to initiation of testing): After separation from cells: Ambient: Unacceptable; Refrigerated: 4 hours; Frozen: 1 month

Reference Interval:
60-200 µg/dL
Note: For specific measurement of one or more of the following analytes: alpha-carotene, beta-carotene, lutein, zeaxanthin; order Carotenes, Fractionated, Plasma or Serum (0021021).
CPT Code(s): 82380