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:
This is a PCR assay used to detect hepatitis A virus (HAV) RNA. It is occasionally used by laboratory staff to help confirm hepatitis A infection. It can be useful in immunocompromised patients with suspected hepatitis A virus infection who may not produce detectable IgM.
Specimen container paediatric:
EDTA blood or clotted, serum or plasma, other sample types can be tested after discussion with Virologists.
Specimen container adult:
EDTA blood or clotted, serum or plasma, other sample types can be tested after discussion with Virologists.
Minimum volume paediatric:
1ml blood
300ul serum or plasma
Minimum volume adult:
5ml blood
300ul serum or plasma
Special requirements:
Send to laboratory as quickly as possible. If delays likely, refrigerate at 2-8 deg C.
Sample stability:
Stable for up to 24 hrs.
Transport requirements:
Standard
Add on test:
Possible up to 5 days.
Quality assurance:
Sample referred to Reference Laboratory.
Interpretation:
Interpretative comments are added to reports where applicable
Reference ranges:
None available
Factors affecting result:
If delays likely, refrigerate at 2-8 deg C.
Referenced Documents:
Standards of Microbiology Investigations (SMI V 27)
Other info:
Referred to UKHSA, Colindale, London.