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14.3.3 ETA, Rheumatoid Arthritis (LabCorp Only)

Specimen Container

Gold (SST)

Specimen Collection Type

Serum

Minimum Volume To Collect (Ml)

1.0 mL

Pediatric Volume To Collect (Ml)

(0.5 mL)

Specimen Preparation

(allow clot, separate < 3hrs)

Stability

Ambient Stability: (3 Days)
Refrig Stability: (3 Days)
Frozen Stability: (1 Week)

Unacceptable Conditions

Hemolyzed, or lipemic specimens.

Preferred Transportation Temperature

FROZEN

Performed

Sun-Sat

Reported

6 – 12 days

Methodology

Enzyme-linked immunosorbent assay (ELISA)

Lab Department

Core

Testing Location

(LCA)

Synonyms

14.3.3η Protein ETA, Augurex

Test OR Panel

Test

Interferences

(avoid lipemia & hemolysis)

Unit of Measurement

ng/mL

CPT Codes

83520

LOINC

75880-5

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