CAROTENE, BETA

Test Documentation
Specimen Required
Collect specimen after 12 hour fast. Draw blood in a SST tube. Centrifuge, separate and send 2.0 mL serum (1.5 mL minimum) frozen in an amber tube. PROTECT FROM LIGHT. CRITICAL FROZEN.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Refrigerated serum, hemolyzed serum

Methodology
Colorimetric

Stability
Room Temperature: Unacceptable; Refrigerated: Unacceptable; Frozen: 14 days

Reference Range
70–300 µg/dL

Performed
Tuesday, Friday

Turnaround Time4-7 days
Test CodeCARO
CPT-4 Code (s)
82380
LOINC Codes
2053-7

Warde
Medical
Laboratory