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Electron Microscopy

Lab Receiving Hours: Monday – Friday, 7 am – 2:30 pm

Electron Microscopy involves ultrastructural evaluation of body tissues with pathologic interpretation typically in conjunction with light microscopy and other staining techniques.


Lab Number: 612-873-2175
Fax: 612-904-4240

Lab Request Form

Electron Microscopy Request Formopens PDF file (PDF)

Electron Microscopy Pathology Staff

Our Services

Renal Pathology

Quality interpretation of over 700 renal biopsy specimens is performed annually by the renal pathology staff, including Drs. Crary, Linzie, and Cameron. Consultations by telephone are available. Formal reports can be mailed or faxed to physicians and medical records department.

Electron microscopy services are routinely coordinated with light and immuno-fluorescence microscopy which are handled through the Histopathology Laboratory. To request a renal kit or to obtain additional information regarding handling and specimen requirements, please call 612-873-3079, Monday through Friday, 6:00 am to 4:30 pm.

Neuromuscular Pathology

The Neuromuscular Pathology laboratory has been providing services for over 40 years by experienced technical and professional staff. All specimens are evaluated by a board-certified neuromuscular pathologist to determine the most appropriate tests for each patient, and a final clinical report is issued with the pathologists’ interpretation of the patient’s neuromuscular disease.

Detailed instructionsopens PDF file  for handling muscle and nerve tissue samples as well as the proper fixatives can be requested by calling 612-873-2175. Biopsies should be performed by noon, Monday - Friday to ensure that they are received at the laboratory during normal business hours. Please contact the lab to notify our staff of all incoming biopsies.

Rush Delivery to:

825 South 8th Street
Suite LL-05
Minneapolis, MN 55404

Facilities outside the metro transport area should call the EM Lab for a kit containing a vial of 4:1 fixative and directions for shipping and handling.

Other Acceptable Specimen Types:

  • Soft tissue tumors
  • Myocardial biopsies- ONLY for amyloidosis
  • Blood- ONLY for lysosomal storage disease

We no longer offer EM testing on skin, liver, cilia, or infectious agents. Please contact our lab if you are interested in doing technical only testing, or testing for a specimen type not listed above.

Clinical Laboratory

Labs support of the diagnosis, treatment, and follow-up of patient clinical conditions.


Full-service lab offering high-quality analyses, biopsies, and products of conception. 

Electron Microscopy

Evaluation of body tissues, light microscopy, and complex staining techniques.

Neuromuscular Pathology

Quality interpretation of neuromuscular biopsy specimens.

Renal Pathology

Available 24/7 and offer quality, timely interpretations of patient renal biopsies.


Clinical, emergency and forensic toxicology, ethanol and therapeutic drug monitoring.


contact photo only colleen crampton

Colleen Crampton, MT (ASCP), MBA

Laboratory Administrative Director
General Laboratory Operations
612-873-2632opens phone dialer
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