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Immunoglobulin A
MessageChemistry
Test Code
LAB73
CPT Codes
82784
Preferred Specimen
Gold top (serum separator tube)
Minimum Volume
Whole blood: 600 uL (TWO full red-top microtainers or one full light green-top microtainer).
Serum/plasma: 300 uL
Serum/plasma: 300 uL
Other Acceptable Specimens
Red Top and light green top (lithium heparin plasma) acceptable
Specimen Stability
Ambient: up to 24 hours
Refrigerated: 7 days
Frozen: up to 4 weeks
Refrigerated: 7 days
Frozen: up to 4 weeks
Setup Schedule
Everyday
Report Available
Same day
Limitations
An abnormally elevated level of a monoclonal immunoglobulin, as in cases of multiple myeloma,
amyloidosis, or other lymphoproliferative diseases, may interfere with the quantification of IgA.
amyloidosis, or other lymphoproliferative diseases, may interfere with the quantification of IgA.
Reference Range
70 - 400 mg/dL
Performing Laboratory
Hoag Newport