Neurology

Fatty Acids (blood-spot NUT6, whole blood – NUT6P)

Over the past two decades there has been sustained interest in essential fatty acid supplementation. The focus has now switched from supplementation with fish oil to the use of oils containing specific, enhanced concentrations of named essential fatty acids. In the late 1990s large clinical trials were published supporting the cardiovascular benefits of consumption of…

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Homocysteine – plasma [HOMO]

Indications: Homocysteine is a non-essential, thiol-containing amino acid which is produced from the intracellular de-methylation of dietary methionine. It is exported from the cells into the extracellular fluid at a slow but consistent rate and circulates in the blood mainly in an oxidised form, bound to plasma proteins. There are two major pathways for its…

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Vitamin B12 (“Active”) – Serum [B12A]

Test ID: B12A Patient Instructions: No vitamin B12 containing supplements for 24 hours prior to testing. (This test is referred to an external laboratory) Turnaround time:  3 days (temporarily increased from 2 to 3-days 11th May 2026) Sample Collection Instructions:  Standard venepuncture procedure Sample Requirements: Yellow (SST) Sample Stability: Postal acceptable Test Datasheet:

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Vitamin B3 (Niacin) [VIB3]

Indications: Our niacin (vitamin B3) test includes levels of niacinamide, nicotinic acid, nicotinamide and the total vitamin B3 level (as NAD).  Vitamin B3 is required as a co-enzyme in electron-transfer reactions (catabolism of carbohydrates, fats, proteins, and alcohol), also as a substrate for NAD-consuming enzymes (ADP-ribosylation, NAD-dependent deacetylation, calcium mobilization) and as a ligand (inhibitory…

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Cadmium(Cd) – blood [CAD]

Indications Cadmium is a toxic heavy metal that poses significant health risks to humans and the environment. It is a naturally occurring element found in the Earth's crust, but human activities have increased its concentration in the environment, leading to widespread exposure. Cadmium is a biproduct of various industrial processes, including mining, smelting, and battery…

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Cadmium (Cd) – urine [CDU]

Indications Cadmium is a toxic heavy metal that poses significant health risks to humans and the environment. It is a naturally occurring element found in the Earth's crust, but human activities have increased its concentration in the environment, leading to widespread exposure. Cadmium is a biproduct of various industrial processes, including mining, smelting, and battery…

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Vitamin B6 (Pyridoxal-5-Phosphate) )

Indication: Vitamin B6 describes a group of six water-soluble vitamins with vitamin B6 activity.  We report vitamin B6 (Pyridoxal-5-phosphate) as the most biologically active form of the vitamin and is recommended for assessing nutritional B6 status. Vitamin B6 is required for energy production, nervous system, haemoglobin synthesis and function, the folate and methylation cycles, hormone…

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Vitamin B7 (Biotin) [VIB7]

Indications: Biotin (coenzyme R, vitamin H) is an essential micronutrient for all mammals and is a water-soluble member of the B complex group of vitamins. It has an essential role in the metabolic pathways of gluconeogenesis, fatty acid synthesis and the metabolism of amino acids . Biotinylation of histones appears to be important in embryological…

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Arsenic (As) – urine [ASU]

Indications: Arsenic is a toxic metal with no known biological function in man. It is used in the production of semiconductor materials for the electronics industry, as a poison in weed and vermin killers and sometimes in the production of paints, wallpapers and ceramics (for yellow colouring). It is also found in water, soil and…

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Aluminium (Al) – plasma [AL]

Indications: Aluminium is the third most abundant element in the earth’s crust. However it is only since man started extracting aluminium and its subsequent widespread use in cooking and other household utensils, in packaging materials and in salt and other foods, antiperspirants & deodorants and drugs (including antacids, analgesics and anti-diarrhoea and ulcer remedies), that…

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