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Test Name:
Filaria IgG4 Antibody
- SBMF No:
45612 - Performance Lab Name:
ARUP Laboratories - Test Mnemonic:
FILARIASIS - ABN:
Not required - CPT Code:
86682 - LOINC Code:
14208-3 - Ref Lab Test No:
0099598 - Spec Type:
Serum - Spec Container:
Gold top (SST) or red top (serum) tube - Pref Vol:
1.0 mL - Min Vol:
0.15 mL - Fasting:
No - Spec Collect:
Routine venipuncture - Spec Process:
Clot 30 minutes
Promptly centrifuge 15 minutes
Immediately transfer serum to separate plastic tube - Spec Store Transport:
Refrigerated - Spec Stability:
After separation from cells:
48 hours room temperature (20-30°C)
2 weeks refrigerated (2-8°C)
1 year frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Methodology:
Enzyme-Linked Immunosorbent Assay (ELISA) - Reference Range:
- Filaria IgG4 Antibody
- 0.8 IV or less: Negative – No significant level of Filaria IgG4 antibody detected.
0.9-1.0 IV: Equivocal – Questionable presence of Filaria IgG4 antibody detected. Repeat testing in 10-14 days may be helpful.
1.1 IV or greater: Positive – Presence of specific Filaria IgG4 antibody detected suggestive of current infection.
- Day Run:
Thu - Time Reported:
2-9 days - Test Type:
INFECTIOUS ANTIBODY
