EM - Overview: Electron Microscopy

Test Catalog

Test Name

Test ID: EM    
Electron Microscopy

Useful For Suggests clinical disorders or settings where the test may be helpful

Identifying tumor


Diagnosing medical disorders such as storage diseases, cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), and primary ciliary dyskinesia

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

For nontumorous renal specimens, see RPCWT / Renal Pathology Consultation, Wet Tissue for Electron Microscopy.

For platelet disorders, see PTEM / Platelet Transmission Electron Microscopic Study.

For muscle specimens, see MPCT / Muscle Pathology Consultation.

For CADASIL genetic mutation testing on blood, contact Mayo Medical Laboratories.

Special Instructions and Forms Library of PDFs including pertinent information and consent forms, specimen collection and preparation information, test algorithms, and other information pertinent to test

Method Name A short description of the method used to perform the test

Electron Microscopy

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name A shorter or abbreviated version of the Published Name for a test; an abbreviated test name

Electron Microscopy

Aliases Lists additional common names for a test, as an aid in searching

Bullous disease
CADASIL (for whole blood genetic mutation testing, see referral catalog)
CADASIL Tissue Only - Do not send blood for genetic testing
Cerebral Autosomal Dominant Arteriopathy with Sub _ Cortical Infarcts and Leukoencepholopathy
Electron Microscopy (Tissue)
Electron Microscopy, Not Renal
Electron Microscopy-WBC
EM (Electron Microscopy-Tissue)
Epidermolysis bullosa (EB)
Immotile Cilia Syndrome
Microvillous inclusion disorder
NCL (Neuronal Ceroid Lipofuscinosis)
Primary Ciliary Dyskinesia (PCD)