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Test ID: 4993    
Electron Microscopy

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Specimen Type Describes the specimen type needed for testing

Varies

Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

For non-tumor renal specimens, see 70064 / Renal Pathology Consultation, Wet Tissue for Electron Microscopy.

 

For muscle specimens, see HMAX / Histochemistry of Sent-In Muscle Specimen Maximum.

 

For CADASIL genetic mutation testing on blood, see referral catalog.

 

Results will be provided by telephone. If needed, representative images showing diagnostic features will be sent.

 

Forms:

1. Electron Microscopy Patient Information Sheet in Special Instructions

2. If not ordering electronically, submit a Pathology/Cytology Request Form (Supply T246) with the specimen.

                                                      

Specimen Type: Fixed wet tissue

Container/Tube: Electron Microscopy Kit (Supply T660) or leak-proof container

Specimen Volume: Entire specimen

Collection Instructions: Collect specimen according to the instructions in Electron Microscopy Procedures of Handling Specimens for Electron Microscopy in Special Instructions.

Additional Information: 70012 / Pathology Consultation may be added if deemed necessary by the reviewing pathologist.

  

Specimen Type: Whole blood (Neuronal Ceroid Lipofuscinosis-NCL only)

Specimen must arrive within 48 hours of draw.

Container/Tube: Electron Microscopy Kit (Supply T660), green top (sodium heparin), or yellow top (ACD [solution B])

Specimen Volume: 5 mL

Collection Instructions:

1. Collect specimen according to the instructions in Electron Microscopy Procedures of Handling Specimens for Electron Microscopy in Special Instructions.

2. Do not transfer blood to other containers.

Specimen Minimum Volume Defines the amount of specimen required to perform an assay once, including instrument and container dead space. Submitting the minimum specimen volume makes it impossible to repeat the test or perform confirmatory or perform reflex testing. In some situations, a minimum specimen volume may result in a QNS (quantity not sufficient) result, requiring a second specimen to be collected.

Varies

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

Muscle tissue

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperature(s) are also included.

Specimen TypeTemperatureTime
VariesAmbient (preferred)
 Refrigerated