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Leukocyte Alkaline Phosphatase
MessagePlease submit ARUP Anatomic Pathology Test Request Form #32960 with specimen.
Test Code
ARUP MISC - 49000 - ARUP
Alias/See Also
Leukocyte Alkaline Phosphatase
LAP
LAP
CPT Codes
85540
Preferred Specimen
5 mL whole blood in Green Top Tube (Sodium or Lithium Heparin) and 6 unfixed, well-prepared smears
Minimum Volume
1 mL whole blood and 6 smears
Transport Container
Green top tube & smears - Protect both from light
Transport Temperature
Room Temperature
Specimen Stability
Send Sunday through Thursday only. Whole blood must be received within 24 hours of collection. Smears must be made within 24 hours of collection and received within 7 days of collection.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Speicmens collected in EDTA. Poorly prepared (too thick or no feathered edge), broken or fixed smears. Specimens that have been spun. Smears made from anything other than heparin. Smears made from blood older than 24 hours. Whole blood not protected from light. Smears not protected from light. Specimen received in transport temperature other than room temperature.
Methodology
Cytochemical Stain
Setup Schedule
Monday through Friday
Report Available
1-5 days
Reference Range
Female: 33-149
Male: 22-124
Male: 22-124
Performing Laboratory
ARUP
