Test Directory
Vitamin K
Containers - Adult
Orange Cap
|
Volume Range
1 mL
Additive per Container
Lithium heparin (non gel) |
Red/Pink Cap
|
Volume Range
1 mL
Additive per Container
Potassium EDTA |
Containers - Child
Orange Cap - Paediatric
|
Volume Range
1 mL
Additive per Container
Lithium heparin |
Reference ranges
0.2 - 2.2 nmol/mmol triglyceride
Laboratory Site
Glasgow Royal Infirmary
84 Castle Street
Glasgow
G4 0SF
Glasgow
G4 0SF
Telephone: 0141 211 4000
Special instructions for collection
Fasting sample or 8 hours after supplementation is recommended.
How to request
Only available for cystic fibrosis patients or those on home parenteral nutrition. Please ensure this is written on form. Recommend a prothrombin time is performed in all adults for ?vitamin K deficiency.
Anticipated turnaround
28 days
General additional information
Vitamin K is light sensitive, please protect specimen from light.
Samples sent to Scottish Trace Element and Micronutrient Reference Laboratory.