Peroxidase Stain, Blood/Bone Marrow

Order Instructions:Must be ordered by a pathologist.
Synonyms:Bone Marrow Cytochemistry and Histochemistry; Cytochemistry Leukocyte; Leukocyte Cytochemistry and Histochemistry; Myeloperoxidase Stain
Methodology:Kaplow technique
CPT Codes: 88319 x1, 8831926-26 x1, 88319-26 x1
Test Includes:Peroxidase Stain, Blood/Bone Marrow. If requested, interpretation by pathologist is performed at an additional charge.
Turnaround Time:Performed Mon-Fri, 0730-1600. Results are available within 24 hours.
Special Instructions:If an interpretation is not requested, slides will be returned to the sender.

Collection Instructions

Specimen:Blood or bone marrow smears or imprints
Container:Microscope slides
Collection Instructions:Provide 3-4 unstained blood smears (prepared from fresh blood or EDTA sample), bone marrow smears or imprints.

Processing and Shipping

Specimen Processing:Store at room temperature.
Shipping Instructions:Ship slides in protective slide holder at room temperature.
Test Performed at or Referral Lab UM Special Hematopathology (P)  (UMMC East Bank)


Reference Range:Interpretive report by hematopathologist, upon request.
Use:The peroxidase reaction is one of the most important stains in hematology and is used for the recognition of myeloid differentiation in acute leukemia. The presence of peroxidase reactivity in >3% leukemic blasts is firm evidence of a myeloid origin.

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