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Leukocyte Alkaline Phosphatase (LAP)

Mnemonic:    [LAP]
Name:    Leukocyte Alkaline Phosphatase (LAP)
Specimen:     5 mL whole blood (lithium or sodium heparin green top with no gel) and 6 unfixed, well-preserved smears. Transport at 20-25C.

Collect in the AM and have the sample in the lab by noon because the sample stability is so time sensitive. This will allow us to make the 1:00 courier.

Testing is performed Monday through Friday at ARUP. Samples can be collected here Sunday through Wednesday.
Neonatal Spec:    1 mL whole blood (sodium heparin) and 6 unfixed, well-preserved smears at 20-25C. Send Sunday through Thursday only.
Transport Temp:    Store and transport sample at Room Temperature.
Ref Lab/Code:    ARUP 0049000
  Method:    Cytochemical Staining/Microscopy
Processing Info:    Whole blood must be received within 24 hours of collection. When only unfixed smears are submitted, the slides must be received within 7 days of preparation. Send whole blood and six unfixed smears. Protect from light and pack accordingly to avoid breakage.