Turnaround times
The quoted turnaround time is from sample receipt in the laboratory, to results authorisation in the Laboratory Information Management system. The times do not include transport of specimen to the laboratory or the administrative process to print and post/email reports. Service users must allow for transport and reporting time when ordering tests.
Clinical background:
Deficiency of Factor I is associated with atypical Haemolytic Uraemic syndrome (aHUS)
Specimen container paediatric:
Serum-Plain tube
Specimen container adult:
Serum-SST
Minimum volume paediatric:
0.5 ml
Minimum volume adult:
1 ml
Special requirements:
Samples MUST be separated within 4 hours of venesection. Please ensure that the sample arrives in the laboratory as soon as possible after being taken.
Sample stability:
Serum may be stored at 4 degrees for a maximum of 48 hours then stored for 1 year at -80 degrees. Samples should not be freeze thawed prior to testing.
Freq analysis:
Fortnightly
Add on test:
All urgent add ons via telephone on 0191 282 4766, and must be confirmed via email to the appropriate email address [email protected]
Interpretation:
None
Reference ranges:
Normal Range: >21 mg/L
Other info:
Usually measured alongside Factor H Levels