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HelpTest Code FH6AB Human Herpesvirus 6 (HHV-6A and HHV-6B) by Quantitative PCR
Reporting Name
HHV-6A and HHV-6BSpecimen Type
VariesSpecimen Required
Submit only one of the following:
CSF:
Collect 1 mL spinal fluid (CSF) in sterile plastic container and ship frozen.
Serum:
Draw blood in serum gel tube(s). Spin down and send 1 mL of serum frozen in a plastic vial.
Plasma:
Draw blood in lavender (EDTA), pink (K2EDTA) tube(s), or (yellow ACD) tube(s). Spin down and send 1 mL of plasma frozen in a plastic vial.
Note:
1. Source required.
2. Separate orders required for each specimen.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Varies | Frozen (preferred) | 90 days | |
| Refrigerated | 5 days |
Reject Due To
| Hemolysis | Mild OK; Grossly Reject |
| Lipemia | NA |
| Icterus | NA |
| Other | Heparinized specimens, Stool, tissues in optimal cutting temperature compound. |
Reference Values
Not detected
The quantitative range of this assay is 3.0 – 6.0 log copies/mL (1,000 - 999,000 copies/mL).
A negative result (less than 3.0 log copies/mL or less than 1,000 copies/mL) does not rule out the presence of PCR inhibitors in the patient specimen or HHV6 DNA in concentrations below the level of detection of the test. Inhibition may also lead to underestimation of viral quantitation.
Day(s) Performed
Tuesday through Saturday
Report Available
1 to 8 daysPerforming Laboratory
ARUP LaboratoriesCPT Code Information
87533
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FH6AB | HHV-6A and HHV-6B | 38351-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z4275 | HHV6 by PCR Source | 31208-2 |
| Z4276 | HHV6 by PCR Type | 38348-9 |
| Z4277 | HHV6 Quant by PCR (copy/mL) | 38349-7 |
| Z4278 | HHV6 Quant by PCR (log copy/mL) | 38350-5 |
| Z4279 | HHV6 by PCR interp | 51730-0 |