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Mar 25, 2015

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Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Toxicology

Vitamin E

Vitamin E (HCVITE) Toxicology Lab Test

Name: Vitamin E

Test Name: Vitamin E

Health Link Test Code: HCVITE

LIS Test Code: VITE

CPT Code(s): 84446

Methodology: Liquid Chromatography

Days Performed: Mon-Fri, dayshift, as workload dictates.

In-Lab Turnaround Time: 2 - 7 days.

Stat In-Lab Turnaround Time: Not available stat.

Patient Preparation:

Patient should fast overnight for 12 hours, avoid alcohol for 12 hours, and refrain from taking daily vitamins that may contain Vitamin E prior to blood draw.

Specimen: Blood

Collection Container: Red top

Also Acceptable: Green cap with yellow ring (PST), Lavender top, Red cap with yellow ring (SST)

Collection Volume: 2 mL

Pediatric Collection Volume: 1 mL

Stability Ambient:

1 day

Stability Refridgerated:

1 month

Stability Frozen:

1 year

Sample Analyzed: Serum or plasma

Testing Volume: 1 mL

Pediatric Testing Volume: 0.3 mL

Specimen Processing:

Centrifuge. Transfer cell-free serum or plasma to plastic vial. Refrigerate.

Specimen Transport:

Transport specimen to laboratory. Transport with coolant if coming from clinic location. Specimen is stable in ambient light but exposure to direct sunlight should be avoided.

Interpretation:

Age: Reference Interval:
0-1 month 0.8-3.6 mg/L
2-5 months 1.9-6.3 mg/L 
6 months - 1 year  3.6-8.5 mg/L 
2-12 years  5.8-9.7 mg/L 
13 years and older  5.8-19.6 mg/L 

 

Significant deficiency (6 months-adults): < 3.0 mg/L
Significant excess (6 months-adults): > 40.0 mg/L 

Interpretation Type: Reference Interval

Additional Information:

This test was developed and its performance characteristics determined by the UWHC Clinical Laboratories.  This test meets the standards for clinical testing.  This test should not be regarded as investigational or for research use.  The US Food and Drug Administration (FDA) has not approved or cleared this test; however, the FDA has determined that such clearance or approval is not necessary.