| Methodology: |
Cytochemical Stain
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| Performed: |
Mon-Fri
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| Reported: |
Within 5 days
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| Specimen Required: |
Collect: Lavender (EDTA) or green (sodium or lithium heparin) or heparinized aspirate of bone marrow.
Specimen Preparation: Transport 6 unfixed, air-dried, and unstained push smears AND 5 mL whole blood (smears should be made from the blood submitted). OR 6 unfixed, air-dried, and unstained bone marrow aspirate smears.
Storage/Transport Temperature: Room temperature. Blood specimens must be received within 24 hours of collection; testing must be performed within 48 hours of collection.
Unacceptable Conditions: Frozen specimens. Peripheral blood smears older than one week. Anticoagulated blood or bone marrow sent without well-prepared unfixed smears if greater than 48 hours old.
Stability (collection to initiation of testing): Ambient: 24 hours; Refrigerated: Unacceptable; Frozen: Unacceptable
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