Test Category: Biochemistry
Investigation Name:Homocysteine Free (Classical Homocystinuria)

Accreditation:UKAS Accredited ISO15189:2022, on scope
Pathology Laboratory:Clinical Chemistry/ Biochemistry
Requestable Seperately?Yes
Units:umol/L
Minimum Sample Volume:4.5 mL
Expected Turnaround Time:15 working days from receipt
Sample Type:
Lithium Heparin Tube (Green top)Collection Conditions / Other Information:Fasting sample required.
PLEASE SHOW REQUESTS FOR HOMOCYSTEINE TO THE DUTY BIOCHEMIST IMMEDIATELY.
For diagnosis and monitoring of patients with classical homocystinuria only.
If requested for premature thrombosis including hypoxic ischaemic encephalopathy see Total Homocysteine
(Total)
No proven value in management of cardiovascular disease.
LAB INSTRUCTIONS: Separate within 30 min then see Prof Gama, Jas or Sue for deproteinising solution. Deproteinise plasma with an equal volume of deproteinising fluid (supplied by BCH), tip off into Z5 and deep freeze. DO NOT SEND SAMPLE OVER A WEEKEND. Does not need to be transported frozen.
Reference Laboratory Details:Biomedical Genetics, Paediatric Laboratory Medicine, B'ham Children's Hospital NHS Trust, Whittal Street,BHAM B4 6DH (Tel.0121 333 9942 )
Referred to Another Laboratory?Yes
Contact Number:01902 307 999 ext 85290