Vitamin K metabolites

Description: 
HPLC with electrochemical detection

Due to the relocation of the Nutristasis service to the Blackfriars Hub site, this test is not currently accredited by UKAS to ISO15189
Clinical details: 
The five and seven carbon vitamin K metabolites are experimental markers thought to represent total vitamin K status i.e. derived from all forms of vitamin K. They have been successfully employed in various areas of research including; vitamin K prophylaxis in neonates, conversion of vitamin K1 to dihydro-vitamin K1 in foods and vitamin E and vitamin K interactions.
Related condition or disease: 
24 hour urine collections or spot urines with creatinine measurments
Reference range: 

n/a

Units: 
ug/L
Department: 
Reference Chemistry
Location: 
Blackfriars Hub
Sample type and Volume required: 
Urine
Call in advance: 
Yes
Turnaround time: 
Not applicable.
Special sample instructions: 

Protect from light.

Criteria for acceptance / rejections of sample
Storage and transport: 
Sample must be protected from light, first class post.
Contacts:
Nutristasis Unit at Blackfriars Hub
0204 591 0055
Nutristasis@synnovis.co.uk
Reference Chemistry, 1st Floor Blackfriars Hub
Friars Bridge Court
Blackfriars Road
London
SE1 8NZ

Laboratory opening times
Monday - Friday 09.00 - 17.00
For clinical advice or interpretation of results, please contact the laboratory in the first instance.
Laboratory: 
Nutristasis Unit at Blackfriars Hub

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Last updated: 22/10/2025