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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Leukocyte Alkaline Phosphatase

Test Code(s): LAP / HCLAP

Test Description: Link:

Testing Site: Testing will be sent to an approved reference laboratory.

Specimen Requirements

Specimen Processing: 5 mL whole blood and six (6) unfixed, well-prepared smears.

Specimen Transport: Transport at 20-25 C (ambient).
Must be received at UWHC lab Monday through noon Thursday.
Whole blood must be received by ARUP within 24 hours of collection. When only unfixed smears are submitted, the slides must be received within 72 hours of preparation. Protect from light.


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