ECHINOCOCCUS AB - IGG [ELISA]

LAB1234

Collect

Serum separator tube (SST).

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.15 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of acute specimens. Mark specimens plainly as acute or convalescent.

Unacceptable Conditions

Contaminated or severely lipemic specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Performed

Mon, Thu

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-5 days

Synonyms

  • IgG Ab
  • Echinococcus IgG Antibody
  • Hyatid Disease
  • Tapeworm IgG Ab
  • LAB1234
  • ECHINO IGG

Ordering Recommendations

Adjunct to other diagnostic tests (eg, imaging) for echinococcosis. Patient's travel history is necessary to aid in test interpretation.

Reference Interval

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 or greater: Positive - Presence of IgG antibody to Echinococcus detected, suggestive of current or past infection.

Interpretive Data

Patients with collagen vascular diseases, hepatic cirrhosis, schistosomiasis, and other parasitic infections can produce false-positive results. There is a strong cross-reaction between echinococcosis- and cysticercosis-positive sera.

Seroconversion between acute and convalescent sera is considered strong evidence of recent infection. The best evidence for infection is a significant change on two appropriately timed specimens where both tests are done in the same laboratory at the same time.

CPT Codes

86682
Collection

LAB1234

Collect

Serum separator tube (SST).

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.15 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of acute specimens. Mark specimens plainly as acute or convalescent.

Unacceptable Conditions

Contaminated or severely lipemic specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Ordering

Performed

Mon, Thu

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Reported

1-5 days

Synonyms

  • IgG Ab
  • Echinococcus IgG Antibody
  • Hyatid Disease
  • Tapeworm IgG Ab
  • LAB1234
  • ECHINO IGG

Ordering Recommendations

Adjunct to other diagnostic tests (eg, imaging) for echinococcosis. Patient's travel history is necessary to aid in test interpretation.
Result Interpretation

Reference Interval

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 or greater: Positive - Presence of IgG antibody to Echinococcus detected, suggestive of current or past infection.

Interpretive Data

Patients with collagen vascular diseases, hepatic cirrhosis, schistosomiasis, and other parasitic infections can produce false-positive results. There is a strong cross-reaction between echinococcosis- and cysticercosis-positive sera.

Seroconversion between acute and convalescent sera is considered strong evidence of recent infection. The best evidence for infection is a significant change on two appropriately timed specimens where both tests are done in the same laboratory at the same time.

Administrative

CPT Codes

86682

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