Print Preview

Masson trichrome stain-12376 - Technical only, 12379 - Technical & interpretation

Test info

Test name:

Masson trichrome stain

Test number:

12376 - Technical only, 12379 - Technical & interpretation

Excellian order number:

LAB12376
LAB12379

Alternate names:

Cirrhosis
Collagen
Smooth muscle
Special stain

Tests included:

All special stains will include a positive control tissue

Useful for:

This stain is used to differentiate between collagen and smooth muscle in tumors and to identify increases in collagenous tissue in diseases such as cirrhosis of the liver.

Specimen

Specimen type:

Tissue

Collection container:

Formalin vial/container

Processing instructions:

Prepare a formalin-fixed, paraffin-embedded (FFPE) tissue block

Transport container:

FFPE tissue block

Alternate processing instructions:

Prepare two (2) 4 micron thick section unstained slides from an FFPE tissue block

Alternate transport container:

Slides in a Slide holder - 5 specimen

Required forms/information:

Histopathology Processing & Special Stains requisition

Transport and stability:

Ambient

Protect paraffin block and/or slides from excessive heat

Reason for rejection:

Insufficient tissue in block
Mislabeled/Unlabeled block or slides
Broken slides

Performance

Performing lab:

AHL - Histology: A

Days set up:

Mo - Fr

TAT:

24 - 48 hours

Method:

Histochemical staining and microscopic evaluation

Clinical and Interpretive info

Reference ranges:

An interpretive pathology report will be provided for Technical with Interpretation cases.

Billing

CPT codes:

88313

Tracking

Date created:

06/30/2021

Review date:

01/12/2024