Vitamin E
Vitamin E is an antioxidant. Deficiency may occur in some malabsorption syndromes, eg. Crohn's disease and rare disorders of fat metabolism. Vitamin E deficiency is usually characterised by neurological problems due to poor nerve conduction (presentation of ataxia is typical).
Malabsorption syndromes
Patients on parenteral nutrition
Neurological investigations
| Vitamin E |
| Male 13.0-36.2 umol/L |
| Female 11.6-36.7 umol/L |
| Vitamin E Cholesterol |
| 4.3-6.8 mmol/mol |
Freeze samples immediately after separation and protect from light.
Samples can be shipped frozen or sent by First class post.
If the sample previously had been aliquoted and stored frozen, please send us the sample frozen. This is to prevent erroneous results caused by exposure of the sample to more than one freeze thaw cycle.
Due to a method change on 28th January 2025, we are not currently accredited for this test. An application for assessment will be submitted.
This test is not currently accredited
Record last updated
August 29, 2025
Sample Container
5ml SST Vacutainers (Gold / Yellow top)
Sample Container
6ml Plain Vacutainers (Red top)
Sample Container
6ml Lithium Heparin (Green top)
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Test Results
Yes, we have a Pathology User Guide
Yes. Please email your request to Imperial.nwlpcustomerservice@nhs.net
Results are communicated to clinical staff and are normally not communicated direct to patients either on telephone requests or in written report. If you need to contact us please click here to view the contact details page
Please contact the Customer Service Team Monday to Friday from 8:30am – 6:00pm on 0203 313 5353. Alternatively, see the Pathology User Guide for how to contact the relevant department. If advice is not urgent you can also email your query to Imperial.nwlpcustomerservice@nhs.net
Additional tests may be added by discussion with the relevant laboratory. The time limit for adding additional tests to a sample already received in the laboratory will depend on the type of sample and the department it was sent to.
Information on the repertoire of tests performed by pathology, including reference ranges, turnaround times and specimen requirements, can be found in the test directory.
Phlebotomy services are not managed by NWLP. For further information please see:
Imperial College Healthcare Trust Phlebotomy services
Chelsea and Westminster Hospital NHS Foundation Trust Phlebotomy services
NWLP operates UKAS accredited medical laboratories as per the references below. The current scope of accreditation for all NWLP’s laboratories can be found on the UKAS website.
See the following UKAS ref numbers:
- Clinical Biochemistry Ref: 8673
- Haematology and Blood Transfusion Ref: 8674
- Infection & Immunity Sciences (Including Immunology, Virology, Microbiology and Histocompatibility and Immunogenetics ) Ref: 8659
- Cellular Pathology (Including Histopathology, Cytology and Molecular Pathology) Ref: 9615
If you require copies of our certificate of accreditation and associated documentation please contact Imperial.nwlpcustomerservice@nhs.net.
UKAS requires the laboratories to be accredited for a particular repertoire/scope (ISO15189), any changes or additions to repertoire require assessment by UKAS (extension to scope).
The BD Hospital Tube Guide, BD GP Tube Guide and BD Paediatric Tube Guide provide visual references to the correct tube types and collection instructions.
Home testing
INSTRUCTION SHEET FOR BLOOD SAMPLE COLLECTION
We also have two instruction videos available (one with subtitles and one without) – please click on the links to view the videos on Google.
Our accreditations
Upholding excellence in diagnostic standards
Our laboratories are accredited by the UK Accreditation Service (UKAS) against the international standard ISO15189:2022. UKAS is the accreditation body for the UK that assesses medical laboratories.
Find out more about our accreditations on the UKAS website.
UKAS website