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Test Code CNSA Central Nervous System Consultation, Autopsy, Varies


Shipping Instructions


Ship specimen using the Central Nervous System Consult Kit (T633).



Necessary Information


It is imperative that detailed clinical information and, when possible, operative notes and radiographs accompany the specimen.



Specimen Required


Hematoxylin-and-eosin stained sections are also acceptable, but must be accompanied by paraffin blocks and/or remaining wet tissue.

 

In cases submitted as part of a research protocol, contact 507-284-3887 for further guidance.

 

Supplies: Central Nervous System Consult Kit (T633)

Sources: Brain (and spinal cord when indicated)

Container/Tube: Plastic container

Specimen Volume: 1 cm(3) cube

Collection Instructions:

1. Take a small (1 cm[3]) cube of brain from 1 of the frontal lobes (typically, right inferior frontal).

2. Wrap in aluminum foil and place in plastic container.

3. Label container with identifying information (ie, patient name, date of birth, autopsy number, and date of collection).

4. Freeze and store in a -70° C freezer.

5. Place the remaining brain in 10% formalin if non-Creutzfeldt-Jakob disease (CJD), and 15% formalin for suspected cases of CJD, suspended by a thread under the basilar artery and fixed for 7 to 10 days.

Additional Information: Upon completion of consultation, the brain tissue will be stored 10 years in the Mayo Clinic Tissue Registry. The Mayo Clinic policy precludes our evaluation of cases under litigation that involve non-Mayo Clinic patients.


Useful For

Evaluation of congenital neurological disease

 

Evaluation of neurodegenerative disease

 

Evaluation of cases with a complex neurological or neurosurgical history

 

Evaluation of sudden unexplained death

 

This test is not intended for cases under litigation without preauthorization.

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
NERPC Necropsy, regional No No
NESPC Necropsy, single organ No No

Method Name

Stain

Reporting Name

Neuropathology Consult

Specimen Type

Varies

Specimen Minimum Volume

Entire collection

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Ambient (preferred)
  Frozen 
  Refrigerated 

Reject Due To

No specimen should be rejected.

Clinical Information

Difficult neurological abnormalities, including congenital anomalies, sometimes require the assistance of a neuropathologist. This evaluation is offered to provide the careful dissection and diagnostic experience that may be needed for unusual or rare neuropathological cases.

Reference Values

An interpretive report will be provided.

Day(s) Performed

Monday through Friday

Report Available

30 to 60 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

88037 (if appropriate)

88036 (if appropriate)

Test Classification

Not Applicable