Test directory: IgA Subclasses

Ordering Code 7919
Test Name IgA Subclasses
Preferred Specimen Serum
Preferred Container SST (Gold)
Other Specimen/Container Serum in Plain (Red)
Optimum Volume 2 mL
Collection Instructions Fasting specimen preferred but not required
Transport Requirements Oahu: Ambient
Airline: Refrigerated
Specimen Stability Ambient: 5 Days
Refrigerated: 15 Days
Frozen: 30 Days
Rejection Criteria Grossly hemolyzed, Lipemic
Avail. Stat NO
Analytic Time 7 Days
Methodology Immunoturbidimetry
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
IgA1 ALL See report.
IgA2 ALL See report.
IgA, Serum ALL See report.