Test Details

Mnemonic

ECHIG

Ordering Code

3620500

CPT-4 Code(s)

86682

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum refrigerated in a screw capped plastic vial.

Alternate Specimen

Serum: Red top

Minimum Volume

0.15 mL

Transport Temperature

Refrigerated

Rejection Criteria

Grossly lipemic specimens

Stability

Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 1 year

Methodology

Enzyme Linked Immunosorbent Assay
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Reference Range

0.00 - 0.89 IV: Negative -
No significant level of Echinococcus
IgG antibody detected.
0.90 - 1.09 IV: Equivocal -
Questionable presence of Echinococcus
IgG antibody detected. Repeat testing in
10 - 14 days may be helpful.
≥1.10 IV: Positive: Presence of IgG antibody to
Echinococcus detected, suggestive of
current or past infection. Patients with
collagen vascular diseases, hepatic cirrhosis,
shistosomiasis, and other parasitic infections
can produce false-positive results. There is a
strong cross-reaction between echinococcosis-
and cysticercosis- positive sera.
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Performing Laboratory

ARUP
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New York DOH Approval Status

Yes
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