Leukocyte Alkaline Phosphatase Stain
Order Code: LAP
Epic Lab Code: LAB1100
Order Form: A-1a Miscellaneous Request or Epic Req
Commercial Mail-out Laboratory
6240 RCP
356-3527
Specimen:
Whole Blood
Collection Medium:
Green top tube 10 mL (Na Heparin)
Alternate Collection Media:
Light Green top tube (Lithium Heparin)
Minimum:
Adult preferred minimum: 5 mL whole blood from green top tube AND six unfixed, well-prepared smears (smears to be prepared by lab). Adult absolute minimum: 3 mL whole blood from green top tube AND six unfixed, well-prepared smears (smears to be prepared by lab). Pediatric minimum: 1 mL whole blood from green top tube AND six unfixed, well-prepared smears (smears to be prepared by lab).
Rejection Criteria:
Specimen must be received at reference laboratory within 24 hours of collection; do not collect on Fridays, holidays, day before a holiday, or weekends; specimens collected in EDTA tubes, poorly prepared smears (too thick or no feather edge), broken smears, fixed smears.
Analytic Time:
5 days upon receipt at reference laboratory
Reference Range:
Female: 33-149 (no units) Male: 22-124 (no units)
Comments:
PLEASE NOTE: ALL slides will be prepared by the Core laboratory staff from the green top (Na or Lithium Heparin) tube submitted for the reference laboratory. When only unfixed smears are submitted, the slides must be received within 72 hours of preparation; protect from light and pack accordingly to avoid breakage.
Methodology:
Cytochemical Stain
CPT Code:
85540