Laboratory Test Reference Guide

Laboratory Information

Test Name

Vitamin E

Synonyms

α-tocopherol

External Price (excl. GST)

40

Price Comment

Combined pricing for Vitamin A & Vitamin E

Specimen Collection

Pre Testing Requirements

Nil

Adult Specimen

1x Serum (Gold /Red Cap) Lithium Heparin (Green Cap)

Paediatric Specimen

Full micro tube Serum (Gold /Red Cap) Lithium Heparin (Green Cap)

Sample Delivery to Lab

Ambient

Instructions for Referral to Waikato Lab

Aliquot instructions

Separate serum/plasma and store it in the refrigerator.

Aliquot Transport

If sending from an outside laboratory serum / plasma must be sent separated and refrigerated.

Specimen Requirements

serum ml

Test Information

Department

Biochemistry

Test Availability

Mon - Thu, 0800 - 1630 excl. Public Holidays

Laboratory Turnaround Time

5 working days

Method

LC-MS/MS

Unit of measurement

umol/L

Reference interval

 

Vitamin A (umol/L)

 Vitamin E ( umol/L)

Preterm neonate

0.5-1.6

1-8

Term neonate

0.6-1.8

2-8

1-6 years

0.7-1.5

7-21

7-12 years

0.9-1.7

10-21

13-19 years

0.9-2.5

13-24

20+ years

1.1-2.8

12-46

Uncertainty of measurement

15%

Additional Information

 Vitamin A & E tests are performed together on the same sample

Minimum Volume

100 microlitres

Referred Test

No

Electronic Information

Registration Code

VITAEP

HL7 mapping code

VIT_E

LOINC Code

14590-4