Order Code MSFGN Fibrillary Glomerulonephritis Confirmation, Mass Spectrometry, Paraffin Tissue
Necessary Information
1. Preliminary pathology report and history are required.
2. A brief explanatory note, or consultative letter, is recommended.
Specimen Required
Supplies: Pathology Packaging Kit (T554)
Specimen Type: Formalin-fixed or B5-fixed, paraffin-embedded tissue block
Collection Instructions:
1. Do not send fixed tissue slides. Testing can only be done on paraffin-embedded tissue blocks.
2. Attach the green pathology address label included in the kit to the outside of the transport container.
Useful For
Diagnosing fibrillary glomerulonephritis
Testing Algorithm
A pathology consultation is typically not required. If the results of this test do not support the clinical findings, PATHC / Pathology Consultation may be added if appropriate, upon client approval.
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
Fibrillary GN Confirm, LC MS/MSSpecimen Type
AMYLOIDSpecimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
AMYLOID | Ambient (preferred) | |
Refrigerated |
Reject Due To
Fixed tissue slides wet or frozen tissue Cytological smears Nonformalin fixed tissue Nonparaffin embedded tissue |
Reject |
Method Description
Affected areas are removed from paraffin-embedded tissues by laser microdissection. Protein digestion is performed, followed by liquid chromatography tandem mass spectrometry.(Unpublished Mayo method)
Day(s) Performed
Monday through Friday
Performing Laboratory

CPT Code Information
82542
88380
Forms
If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.