Specimen:

Whole blood

Collection Medium:

Minimum:

Preferred minimum: 15 mL whole blood, green top (Na Heparin) tube
Absolute minimum:   8 mL whole blood, green top (Na Heparin) tube
Submit EDTA for CBC

Rejection Criteria:

Must have copy of CBC results performed on same day specimen is drawn.

Collect Monday - Thursday.  Sample must arrive in Commercial Mailouts 
by 1500 to be shipped to reference laboratory for Friday delivery.

Delivery Instructions:

Specimen MUST be received by reference laboratory within 24 hours of 
collection.  No weekend deliveries.  Testing run at reference 
laboratory on Monday, Thursday, and Friday.  Sample must be collected 
such that it reaches the reference laboratory for processing/testing 
according to reference laboratory testing schedule.

Analytic Time:

1 week

Reference Range:

By report

Comments:

Determines general immunocompetence status.  Inability of lymphocytes 
to proliferate upon mitogen stimulation is a sign of impaired 
cell-mediated immunity.  This test further delineates the proliferative 
capacity of T cell subsets.

Methodology:

Flow Cytometry

CPT Code:

86353, 88187