North America

A comprehensive range of services for your unique study requirements

IDEXX BioAnalytics offers histology services and a broad range of pathology services including diagnostic, research and toxicologic pathology. Profile offerings may change as we continue to expand our portfolio. If a specific service or preparation is not listed or for additional information, please contact our team. 

Fixed Tissue Submitted as Untrimmed Tissues or in Labeled Cassettes

Embedding Only

Unstained Slide

Hematoxylin and Eosin (H&E) Stained Slide

Special Stained Slide (see special stains list)

Immunohistochemistry (IHC) Stained Slide

Tissue Submitted in Paraffin Blocks

Recuts, Serial Sections (billed per slide)

    Unstained Sections

    Hematoxylin and Eosin (H&E) Stained Slide

Recuts, Step Sections/Levels (billed per slide)

    Unstained Sections

    Hematoxylin and Eosin (H&E) Stained Slide

Additional Procedures
Special embedding (cell suspensions, small tissues, special orientation) using agarose gel
Preparation of Tissues for In Situ Hybridization
More than two serial sections per slide (serial section charge for additional sections)
Frozen Tissue Submitted as Untrimmed Tissue or in OCT Blocks

Unstained Slide

Hematoxylin and Eosin (H&E) Stained Slide

Special Stained Slide

Other Services
Processing of Light-Sensitive Frozen Specimens

Special Embedding Procedures in OCT

Immunohistochemical (IHC) staining

Histology Slide Preparation Service Turnaround Times

• 2 weeks for routine slide preparation, 4–5 weeks for large studies or specialized embedding or sectioning requests. Call for more specific information.
• 3–day advance notice is recommended in order to guarantee your turnaround times.
• A STAT fee will be applied if overtime or additional staffing is needed.

Additional Guidelines

• Label histology cassettes with #2 pencil or a mechanical pencil with 0.5-mm lead (pen and marker will wash off during processing, including those products indicated as “permanent”).
• Provide any special post-fixation procedure instructions required when submitting samples.

(Long: 5378120)
Stain Purpose
Alcian Blue (pH 1.0 or pH 2.5) with or without PAS Carbohydrates/Mucin
Congo Red Amyloid Amyloid
Rhodanine (Copper) Copper
Cresyl Violet-Nissl Neuro/Pituitary
Verhoeff Van Gieson (VVG) Connective/Muscle
Oil Red O (frozen tissue only) Lipids
Giemsa Microorganisms/Nuclear Elements
Glycogen-Digested PAS/H Carbohydrates/Mucin
Churukian’s Ammoniacal Silver Method (PcAg) Pneumocystis (lung)/Fungi
Gram’s (modified Brown-Hopps) Microorganisms
Hall's Bilirubin (Bile) Pigments/Minerals
Hematoxylin and Eosin (H&E) Nuclear/Cytoplasmic
Luxol Fast Blue (LFB) Neuro/Pituitary
Methylene Blue Nuclear Elements
Movat's Pentachrome Connective/Muscle
Periodic Acid-Schiff (PAS) Microorganisms/Neuro/Pituitary
Prussian blue (Perl's Iron) Iron (Hemosiderin)
Toluidine Blue Nuclear Elements
Trichrome-Masson's Connective/Muscle
Alizarin Red (Calcium) Pigments/Minerals
Steiner (modified) Microorganisms
Ziehl-Neelsen (AFB) Acid-fast bacteria
Picrosirius Red Collagen
Diagnostic Pathology Services

Diagnostic pathology services are used to investigate unexpected sickness or mortality in colonies or in study animals.

Includes trimming and embedding of tissues, H&E slide preparation, special slide stain preparation as needed, pathologist evaluation and interpretation on a final report.

Dissection of tissues from fixed or fresh carcass (mouse, rat, guinea pig, rabbit, other species)

Turnaround Times
A diagnostic pathology report will be available within 10 business days from receipt of specimen. Turnaround times may be delayed if complete history and signalment are not provided upon submission.

Research & Toxicologic Pathology Services

Tissue evaluation customized to your evaluation criteria and study needs. Special stains, morphometric analyses, and other special services are available to support evaluation.

Turnaround Times

Turnaround times for routine studies is 4-6 weeks but may vary based on type of evaluations performed and study requirements. 

Digital Images Services

Annotated Digital Images 

Non-Annotated Digital Images 
Digital Slide Scanning (40x) 

Have a question or need additional information?