Echo Virus Ab

Label Mnemonic:	ECHO
Epic code:	LAB3047
Downtime form:	Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Commercial Mailout Laboratory
6240-8 RCP
356-8593

Specimen(s):

Serum

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."

Collection Medium:

Red top tube 5 mL (Clot Activator)

Minimum:

Preferred Minimum: 1 mL serum
Absolute Minimum: 0.3 mL serum

Rejection Criteria:

CSF or plasma. Contaminated, hemolyzed, or severely lipemic specimens.

Delivery Instructions:

Submit specimen to laboratory as soon as possible after collection.

Turn Around Time:

within 10 days upon receipt at reference laboratory 6-9 days upon receipt at reference laboratory

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:

Semi-Quantitative Serum Neutralization

CPT Code:

86658 (x5)