Test Overview
Test Methodology

ELISA

Test Usage

Aggregates consisting of IgA complexed with fibronectin are found in sera of most patients with IgA nephropathy and patients with Henoch-Schonlein purpura. Detection of these aggregates is based on their specific attachment to a fragment of type 1 collagen.

Reference Range *

< 3.0 EIA Units

Test Details
Days Set Up
Varies; test performed once per week
Analytic Time

1 - 10 days

Soft Order Code
MMLR
Synonyms
  • Henoch-Schonlein purpura
  • Fibronectin Aggregates
  • IgA Nephropathy Evaluation
Laboratory
Sendout
Reference Laboratory
Mayo FIFAF (91181) (Focus 41431)
Section
Special Testing
Specimen Requirements
Collection Instructions

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

Yellow Top Tube
Normal Volume
1 ml serum
Minimum Volume
0.5 ml serum
Additional Information

Test sent to Mayo Medical Laboratories; performed by Focus Diagnostics.

Billing
CPT Code
83520
NY State Approved
No