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10861 Lab Corp Misc.
LAP; Neutrophil Alkaline Phosphatase
Whole Blood - ONLY USE GREEN HEPRANIZED TUBES WITHOUT GEL. Send 6 freshly made blood smears, not stained.
4.0 ml Green - Lithium heparin whole blood without a gel separator. Slides
Prepare slides on 6 frosted end slides made from fingerstick blood or immediately after drawing in heparin tube. Air dry slides and label with patient name. Do not fix slides.
2 ml Whole Blood Min: 1.0 ml Six smears/ Minimum 2 smears
Aids in the differential diagnosis of chronic myelocytic leukemia (CML) versus leukemoid reaction.
Specimen Processing Instructions
Fresh Whole Blood is needed.
Smears can be maintained at room temperature for 7 days
Fresh Whole Blood is the optimal specimen choice.
• Collection in gel separator tube or slides made from any anticoagulant other than heparin • Clotted sample • Frozen Slides • Slides more than 7 days old
Reference range accompanies report
Naphthol AS-B1 phosphate and freshly prepared fast red violet LB salt or fast blue BB salt buffered at pH 9.5 with 2-amino-2 methyl –1, -3-propanediol (AMPD) stain. One hundred cells are counted and score totaled.
* Reference Lab test
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