14.3.3 ETA, Rheumatoid Arthritis
Test Code: 504550
Performing Lab: LabCorp
CPT Code: 83520 001
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Synonym
14.3.3n protein ETA, Augurex
Specimen Type
Serum, FROZEN
Specimen Container
Gel-barrier tube OR red-top tube
Volume
1.0 mL
Minimum Volume
0.5 mL (Note:This volume does NOT allow for repeat testing).
Specimen Handling
Serum must be separated from cells within 45 minutes of venipuncture. Send serum in a plastic transfer tube.
Unacceptable Conditions
Hemolysis; lipemia
Temperature
FREEZE Stability: Room temperature up to 3 days Refrigerated up to 3 days Frozen up to 7 days Freeze/thaw cycles: Stable x6
Methodology
Enzyme-linked immunosorbent assay (ELISA)
Result Code
Result Name
LOINC
504551
14.3.3 ETA, Rheum. Arthritis
75880-5
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