Myeloperoxidase by IHC

Alphabetical Test listing

Myeloperoxidase by IHC-12376 - Technical only, 12379 - Technical & Interpretation

Test name:

Test number:

12376 - Technical only, 12379 - Technical & Interpretation

Excellian order number:

LAB12376
LAB12379

Alternate names:

MPO

Tests included:

All IHC stains will include a positive control tissue

Useful for:

MPO labels granulocytes (including promyelocytes, myelocytes, metamyelocytes, and mature neutrophils)
MPO does not recognize lymphocytes or eosinophils
Monocytes are negative for MPO, or contain small areas of positivity
MPO is most useful in the differentiated of diagnosis of NHL vs. chloroma/granulocytic sarcoma

Specimen type:

Tissue

Processing instructions:

Submit a formalin-fixed, paraffin embedded tissue block

Transport container:

Formalin-fixed, paraffin embedded (FFPE) tissue block

Alternate transport container:

FFPE tissue section mounted on a charged, unstained slide

Transport and stability:

Ambient (preferred)

Reason for rejection:

Unlabeled/mislabeled block
Insufficient tissue
Slides broken beyond repair

Performing lab:

AHL - Immunohistochemistry

Days set up:

Mo - Fr

TAT:

1 - 2 days

Method:

Immunohistochemical staining and microscopic examination

Reference ranges:

If requested, an interpretive report will be provided

Clinical information:

Specifications

MPO recognizes the enzyme by the same name

Staining pattern

Granular cytoplasmic based staining

CPT codes:

88342 - 1st stain
88341 - each additional stain

Date created:

07/18/2017

Revised date:

10/19/2018

Review date:

01/12/2024