Specimen:

Serum or CSF

Collection Medium:

Minimum:

Preferred Minimum:  3 mL serum
Absolute Minimum:  1 mL serum
Pediatric Minimum:  0.25 mL serum

Rejection Criteria:

Plasma

Delivery Instructions:

Submit specimen to laboratory as soon as possible after collection.

Specimen
Instructions:

Acute and convalescent samples must be labeled as such; parallel 
testing is preferred and convalescent samples must be received within 
30 days from receipt of acute samples. Please mark samples plainly as 
"acute" or "convalescent."

Analytic Time:

within 10 days

Reference Range:

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

Interpretive Data:

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.

Methodology:

Serum Neutralization Assay

CPT Code:

86658 (x5)