Test Overview
Radial immunodiffusion
Used to identify and quantitate a fibrinogen deficiency.
Value should approximate the clottable fibrinogen level.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
1 hour
Specimen Requirements
Collect specimen in a blue top (citrate 3.2%) tube. Mix by inversion. Specimen should arrive at lab within 3 hours of collection; transport at room temperature. Alternatively, centrifuge, aliquot plasma into a plastic vial, and freeze the specimen within 4 hours of collection. Transport frozen specimen on dry ice. Collection of the blood through lines that have been previously flushed with heparin should be avoided. If the blood must be drawn through a VAD (vascular access device), the line should be flushed with 5 mL of saline and the first 5 mL of blood or six dead space volumes of the VAD discarded.