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.
Reference Interval:
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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