Days Set Up
Monday - Friday, 8:00am - 4:30pm
Analytic Time

3 - 5 days

Test Updated:

Synonyms

PRA
ERP
PRP
Estrogen IHC
Progesterone IHC
IPOX
Immunohistochemistry (IHC)
Tumor Markers
Lymphoid Markers
Immunophenotyping
Estrogen Receptor Protein, Paraffin Sections
Progesterone Receptor Protein, Paraffin Sections
ERPR
ER/PR
Consult
Surgical

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Direct and indirect peroxidase and avidin-biotin complex peroxidase methods.

Test Usage

To detect the presence of specific antigens in tissues or in cytology specimens.

Reference Range

Interpretative report provided.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Instructions

If requesting IHC stains as part of a consultation, please submit the request using the MLabs Anatomic Pathology Consultation requisition: check the box Pathology Consultation and the box Special Stain(s) Requested and indicate the specific stain(s) that are needed. Contact the MLabs Client Services Center at 800-862-7284 for any special instructions.

Minimum Volume
 

Billing Information

CPT Code
88342-TC 1st Ab, 88341-TC ea addl Ab
Pro Fee Code
 
Insurance Auth Info
 
LOINC
 

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.