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Myeloperoxidase, Cytochemical Stain Only
2013273
Ordering Recommendation

Use to identify cells of myeloid lineage in work up of acute myeloid leukemias and identify myeloperoxidase deficiency in mature neutrophils in immunodeficiency states.

Mnemonic
MPO SO
Methodology
Cytochemical Stain
Performed
Mon-Fri
Reported
2-5 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Lavender (EDTA), Green (Lithium Heparin), or Green (Sodium Heparin). Also acceptable: Heparinized Bone Marrow Aspirate. 
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
Peripheral blood smears older than one week. Anticoagulated blood or bone marrow sent without well-prepared unfixed smears if greater than 48 hours old. 
Remarks
 
Stability
Ambient: 24 hours; Refrigerated: Unacceptable; Frozen: Unacceptable 
Reference Interval
Interpretive Data


Note
Further information on how to make an adequate slide, in the form of an instructional video, can be found at: https://www.youtube.com/watch?v=ca3NwrlpS40&feature=youtube
CPT Code(s)
88319
Components
Component Test Code*Component Chart NameLOINC
2013274Myeloperoxidase Cytochem Stain Only
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • MPO (stain and return)
  • Peroxidase Stain (technical only)