A 15-year-old client has been brought to the clinic by his mother and is suspected of having an immune system disorder. What tests would you expect to be ordered for this young client?
A) Cerebral spinal fluids aspiration
B) Sedimentary rate
C) Complete blood count with differential
D) Complete chemistry panel
C
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Laboratory tests are used to identify immune system disorders. They usually include a complete blood count with differential. Protein electrophoresis screens for diseases associated with a deficiency or excess of immunoglobulins. T-cell and B-cell assays (or counts) and the enzyme-linked immunosorbent assay may be performed. Options A, B, and D are not diagnostic of immune disorders.
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