Toluidine Blue Stain

Order Instructions:Must be ordered by a pathologist.
Synonyms:Bone Marrow Cytochemistry and Histochemistry; Cytochemistry Leukocyte; Leukocyte Cytochemistry and Histochemistry
Methodology:Mittwock procedure for staining metachromatic granules
CPT Codes: 88313 x1, 88313 x1, 8831326-26 x1, 88313-26 x1
Test Includes:Toluidine Blue Stain If requested, interpretation by pathologist is performed at an additional charge.
Turnaround Time:Performed Mon-Fri, 0730-1600. Preliminary results are available in 24 hours, final results are reported within 48 hours.
Special Instructions:If an interpretation is not requested, slides will be returned to the sender.

Collection Instructions

Specimen:Blood smears, 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)  (Southdale)


Reference Range:Interpretive report by hematopathologist.
Use:Aid in the diagnosis of mast cell disease, acute basophilic leukemia and disorders of mucopolysaccharide metabolism.

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