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To evaluate humoral immunity and monitor therapy in B cell neoplasms, particularly myeloma.
Cord blood (age <1 mos): 610 - 1540 mg/dL, age 1 mos: 240 - 870 mg/dL, age 2-5 mos: 170 - 670 mg/dL, age 6-9 mos: 210 - 870 mg/dL, age 10-11 mos: 280 - 1030 mg/dL, age 1 yr: 330 - 1160 mg/dL, age 2-3 yrs: 405 - 1160 mg/dL, age 4-5 yrs: 440 - 1190 mg/dL, age 6-150 yrs: 620 - 1520 mg/dL.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. Store at 2-8°C up to 8 days.
Samples may be frozen at -20°C or below for up to 3 months if they are frozen within 24 hours after collection.