Equine Infectious Anemia (EIA/Coggins) (ELISA)

Description Detection of antibody to Lentivirus equinfane , the causative agent of equine infectious anemia (EIA), by enzyme-linked immunosorbent assay (ELISA).
Department Serology
Fee $9
Days Tested Mon | Tue | Wed | Thu | Fri (Mar 1 - Sept 30), Tue | Fri (Oct 1 - Feb 28)
Turnaround Time 1-2 days
Species Equine
Specimen Serum (1 ml minimum)
Sampling Requirements Collect blood in a serum separator (SST) or red top tube (RTT). For best sample quality and to minimize hemolysis during transport, serum should be transferred off the clot to a new sterile tube with no additives.
Collection Container Serum separator tube (SST) or red top tube (RTT).
Packaging Instructions

Label all samples with unique identifiers. For multiple samples, also number the tubes consecutively.

Remove needles from tubes prior to shipment. Ensure caps are fully seated and tubes are protected against breakage.

Additional Information

APHIS-approved lab for Import/Export. Official Federal EIA Report form required with all submissions. Submitting veterinarians must accurately and fully complete the official form and uniquely identify the animal, including narrative descriptions. Please visit our Resources page for more information regarding completion of the EIA form.

As of February 17, 2026, an accession fee of $12 per case will be charged for all EIA submissions.

Electronic EIA Form 10-11 submissions (i.e., VSPS or Global Vetlink – please send the printed lab submittal form with the samples) are preferred. EIA submissions received with a paper EIA Form 10-11 with corrections necessary will incur a $15 form correction fee. Original paper reports are no longer mailed to veterinarians or owners.

All Coggins test results and invoices will be emailed after testing has been completed. Report corrections (e.g., client supplied wrong ID or did not include a collection date) will incur a $15 report correction fee. An original paper copy of the results may be requested, however, the request must be indicated on/with the original submission form and an additional $5 handling/mailing fee will be applied.

Note: Samples for serologic testing must be received during business hours the day before scheduled testing to ensure inclusion in the test run. If not, the sample will be tested on the following scheduled test day. STAT testing may be available, contact the lab for more information.