Back to Test Directory

0337 : Vitamin A (Retinol), Serum

INFORMATION:

Alternate Name:
Retinol
Methodology:
High Pressure Liquid Chromatography
Clinical Utility:
Vitamin A is a fat-soluble retinoid found in animal products and as provitamin A carotenoids in fruit and vegetables. Mostly stored in the liver in the form of retinyl esters, there are two natural forms of vitamin A; retinol (vitamin A1) and 3-hydro-retinal (vitamin A2). Vitamin A plays an important role in growth and specialization of virtually all body cells and is critical in embryonic development, immune function and vision.

ORDERING:

Test Code:
0337-6
Turnaround Time:
5 DAYS
Preferred Specimen:
2 mL Amber Serum
Collection:
Container Qty Temp Stability
Amber Serum 1 Refrigerate 7 DAYS
Collection Instructions:
AMBSE: Draw SST or RED, let clot for 8-10 minutes. Centrifuge and pour into either an aliquot tube (must be covered in foil) or poured into an amber tube and label with patient name and specimen type (serum).
Storage Transport Instructions:
Alternate Specimen SST: Fill tube, invert gently 5 times, label with patient name, let stand for minimum of 30 minutes, maximum of 1 hour, spin for 10-15 minutes
Custom Storage/Transportation Instruction:Preferred frozen and protected from light
Specimen Comment:
Wrap in foil to protect from light. Fasting overnight is required
Alternative Specimen:
Red Top, Aliquot Tube-Serum, Microtainer - Pediatric SST, Microtainer - Pediatric Red, SST Tube, Aliquot Serum- Red Top, Amber EDTA, Aliquot Plasma-EDTA-Lavender Top , Amber Red

Billing:

CPT Codes:
84590 x 1

CPT Code Disclaimer

CPT codes provided are for informational purposes only. Accuracy of CPT presented should be validated prior to consideration for billing.
CPT coding is the sole responsibility of the billing party. Please direct any questions regarding CPT coding to the payer being billed.