83440:ECHOVIRUS (6,7,9,11,30) ANTIBODIES
Author PeaceHealth Laboratories
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| Alias Names: |
ECHO |
| Methodology: |
Serum Neutralization Assay |
| Edit Date: |
10/13/2009 |
| Performed: |
Monday-Saturday |
| Released: |
6-9 days after setup at PeaceHealth Laboratories’ reference lab |
| CPT Code: |
86658-90 x5 |
| Specimen Collection Details |
| Collection: |
One 7.5 mL serum separator tube (SST). |
| Handling: |
Centrifuge and immediately separate serum from cells and pour into a plastic vial. Freeze. |
| Stability: |
48 hours ambient, 14 days refrigerated, or 1 year frozen. |
| Standard Volume: |
3 mL serum. |
| Minimum Volume: |
1 mL serum. |
| Transport: |
Frozen on dry ice. |
| Comments: |
Parallel testing of acute and convalescent specimens is recommended. Label tubes clearly as ‘acute’ or ‘convalescent.’ Convalescent specimen must be received within 30 days of receipt of acute specimen. |
| Rejection Criteria: |
Plasma. |
|
|
Echovirus 6 |
Less than 1:10 |
|
Echovirus 7 |
Less than 1:10 |
|
Echovirus 9 |
Less than 1:10 |
|
Echovirus 11 |
Less than 1:10 |
|
Echovirus 30 |
Less than 1:10 |
| Single positive antibody titers of greater than or equal to 1:80 may indicate past or current infection. Seroconversion or an increase in titers between acute and convalescent sera of at least fourfold is considered strong evidence of current or recent infection.
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