Test Overview
Test Methodology

Immunohistochemistry

Test Usage

Detection of over-expression of HER-2/neu and treatment response to herceptin.

Reference Range *

Negative (no expression). Interpretive report provided.

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

Test Details
Days Set Up
Monday - Friday
Analytic Time

1 week

Synonyms
  • Consult
  • Surgical
  • HER-2/NEU
Laboratory
IPOX/Muscle Lab
Section
Immunoperoxidase
Specimen Requirements
Collection Instructions

Formalin-fixed, paraffin-embedded tissue block; or 4 unstained glass, "positively charged" slides with 4-microns formalin-fixed, paraffin-embedded tissue with associated H&E stained slide. Slides must be dried before shipping (air dry overnight or dry in 60 degree C oven for 20 minutes). Both blocks and slides should be stored at room temperature.

Additional Information

Test includes pathologist interpretation of results billed as a separate additional charge or billed to the client as a global fee. Reported as Negative (no expression), Positive (over-expression), or Borderline. Borderline cases should be followed up with HER-2/neu by FISH when clinically indicated.

Billing
CPT Code
88361
LOINC
18474-7
Resources