Vitamin A, Serum
Specimen Type Describes the specimen type needed for testing
Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.
Collection Container/Tube: Red top
Submission Container/Tube: Amber vial (Supply T192)
Specimen Volume: 0.5 mL
1. Fasting-overnight (12-14 hours) (infants-draw prior to next feeding).
2. Send specimen in amber vial to protect from light.
Additional Information: Vitamin A, vitamin E, and carotene analysis can be performed on 1 tube. However, the total volume of serum must be > or =3.5 mL. Aliquot 3 mL into an amber vial and label for carotene. Pour the remaining serum into an amber vial and label for vitamin A and/or vitamin E.
Specimen Minimum Volume Defines the amount of specimen required to perform an assay once, including instrument and container dead space. Submitting the minimum specimen volume makes it impossible to repeat the test or perform confirmatory or perform reflex testing. In some situations, a minimum specimen volume may result in a QNS (quantity not sufficient) result, requiring a second specimen to be collected.
Mild reject; Gross reject
Mild OK; Gross OK
Serum gel tube
Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperature(s) are also included.
|Serum Red||Refrigerated (preferred)||14 days|