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HelpTest Code RETNO Vitamin A
Additional Codes
Epic EAP: LAB580
Epic Description: VITAMIN A
Synonym
Retinoids, serum
Retinol
Collection Limitations
Protect from light.
Specimen Type
Blood
To reduce recollections, the Ochsner sites prefer a Serum Gel tube (Gold or Tiger Top) for this test. Protect from light.
Specimen Required
| Collection Container | Preferred Volume | Minimum Volume | |
|---|---|---|---|
| Preferred |
Red, No Anticoagulant, No gel - Protect from light |
5.0 mL | 3.0 mL |
| Alternate | Gold with Inert gel-Protect from light. | 5.0 mL | 3.0 mL |
Specimen Stability
2 months frozen
Instructions for Collection and Transport
Protect from light while tube clots. Centrifuge specimen. Aliquot serum into brown/amber plastic vial. Freeze specimen. NOTE: Specimen will be rejected if not protected from light and/or not frozen.
Aliquot Requirements
Serum
Optimum 1.0 mL
Minimum 0.5 mL
Performing Lab
Sendout Lab
Reference Lab: Warde Laboratories, Referral code: VITA
http://www.wardelab.com/test_page.asp?test=VITAMIN+A+%28RETINOL%29
Assay Frequency
Monday - Friday
Routine Turnaround Time
3 days, excluding weekends and holidays.
CSR Storage Requirements
Centrifuge specimen. Aliquot serum into brown/amber plastic vial. Freeze specimen. NOTE: Specimen will be rejected if not protected from light and/or not frozen.
CPT Code Information
84590
Patient Preparation
Patient should be fasting overnight (12-14 hr). Infants – draw prior to next feeding.