Specimen:

Serum

Collection Medium:

Minimum:

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

Testing
Schedule:

Weekly

Analytic Time:

1 week

Reference Range:

Negative             <20 units
Weak positive         20-39 units
Moderate positive     40-80 units
Strong positive      >80 units

Comments:

In patients with Sjogrens syndrome without Rheumatoid Arthritis, the 
SS-A and SS-B precipitins are observed with a frequency of 85%.

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:

86235