Test Overview
Test Methodology

Enzyme-Linked Immunosorbant Assay (ELISA)

Test Usage

Evaluating patients suspected of having systemic sclerosis, when used in conjunction with centromere and Scl70 antibodies. Providing diagnostic and prognostic information in patients with systemic sclerosis.

Reference Range *

<20.0 U (negative); 20.0 - 39.9 U (weak positive); 40.0 - 80.0 U (moderate positive); >80.0 U (strong positive).

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Wednesday
Analytic Time

2 - 9 days

Soft Order Code
RNAP
Laboratory
Sendout
Reference Laboratory
Mayo RNAP
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in an SST or red top tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.4 mL serum
Additional Information

Test sent to Mayo Medical Laboratories.

Billing
CPT Code
83520
Fee Code
AA258
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