Resources

Electron Microscopy

Message
Test Performed at Mayo, Order ESOT test code EM
Requires Med. Dir./Pathologist approval prior to order


Test Code
Electron Microscopy


Alias/See Also
EM
Bullosa
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
Kartagener's
Microvillous inclusion disorder
NCL (Neuronal Ceroid Lipofuscinosis)
Primary Ciliary Dyskinesia (PCD)


CPT Codes
88348

Preferred Specimen
Tissue


Instructions
Tumor biopsies must be accompanied by a history, hematoxylin and eosin-stained slides, and a paraffin block.
 
Collect specimen according to the instructions in Electron Microscopy Procedures of Handling Specimens for Electron Microscopy in Special Instructions. Do not place on ice, dry ice, or freeze.
 
Submit only 1 of the following specimen types:
 
Supplies: Electron Microscopy Kit (T660)
Specimen Type: Fixed wet tissue
Container/Tube: Electron Microscopy Kit (T660) or leak-proof container
Specimen Volume: Entire specimen
Additional Information: PATHC / Pathology Consultation may be added if deemed necessary by the reviewing pathologist.
 
Specimen Type: Whole blood (Neuronal Ceroid Lipofuscinosis-NCL only)
Container/Tube: Electron Microscopy Kit (T660), green top (sodium heparin), or yellow top (ACD [solution B])
Specimen Volume: 5 mL
Collection Instructions: Do not transfer blood to other containers.

https://www.mayomedicallaboratories.com/test-catalog/Specimen/70316


Transport Temperature
Whole blood specimens must arrive within 48 hours of draw.


Methodology
Electron Microscopy

Setup Schedule
Mon-Fri


Report Available
4-5 days




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.