Peroxidase Stain, Blood/Bone Marrow
| Sunquest Code: | COPATH | ||
| 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 | ||
| 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 | Hematopathology (UMMC-East Bank) |
Interpretive
| 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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