Specimen:

Serum

Collection Medium:

Minimum:

Adult- 5 ml; red top tube
Pediatric- 2ml; red top tube

Analytic Time:

1 week

Reference Range:

IgA and IgG (all ages)
    Negative: <20 units
    Weak Positive: 20-30 units
    Moderate to Stong Positive: >30 units

Methodology:

Enzyme-Linked Immunosorbent Assay (ELISA)

Sample
Processing:

Centrifuge at 3500 RPM for 5 minutes.
Aliquot serum into labeled container and cap.

Sample
Storage:

Refrigerate serum 2-8 degree C.

Transport
Instructions:

Place specimen into zip-lock type bag, seal bag.
Place requisition into outside pocket of bag.
Ship at ambient temperature.

CPT Code:

83520 (IgA and IgG)