Test Catalog

Test ID: MBX    
Muscle Pathology Consultation

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

Obtaining a rapid, expert opinion on muscle biopsy specimens for neuromuscular disease

Reflex Tests Lists tests that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial tests.

Test IDReporting NameAvailable SeparatelyAlways Performed
IHPCIIHC InitialNo, (Bill Only)No
IHPCAIHC AdditionalNo, (Bill Only)No
IFPCIIF InitialNo, (Bill Only)No
IFPCAIF AdditionalNo, (Bill Only)No
SS2PCSpecStain, Grp II, otherNo, (Bill Only)No
SS3PCSpecStain, Grp III, enzymeNo, (Bill Only)No
HCFPCSpecStain, frozenNo, (Bill Only)No
COSPCConsult, Outside SlideNo, (Bill Only)No
CSPPCConsult, w/Slide PrepNo, (Bill Only)No
CUPPCConsult, w/USS ProfNo, (Bill Only)No
CRHPCConsult, w/Comp Rvw of HisNo, (Bill Only)No
LV4RPLevel 4 Gross and Microscopic, RB No, (Bill Only)No

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

A battery of enzyme histochemical stains will be performed on frozen tissue; additional histochemical stains or immunostains may be performed on frozen tissue; other tests can be performed as indicated and will be charged separately. The reviewing neuromuscular pathologist will determine the need for additional testing.


For all consultations, ancillary testing necessary to determine a diagnosis is ordered at the discretion of the Mayo Clinic neuromuscular pathologist. An interpretation, which includes an evaluation of the specimen and determination of a diagnosis, will be provided within a formal pathology report.


Frozen tissue sent for consultation: Appropriate additional stains may be performed at an additional charge.


Slides sent for consultation: Special stains and studies performed on the case should be sent with the case for review. In order to determine an accurate diagnosis, some of these stains or studies may be deemed to warrant repeat testing at an additional charge at the discretion of the reviewing Mayo Clinic neuromuscular pathologist. The interpreting neuromuscular pathologist may also request frozen tissue to perform additional studies that may be considered necessary for diagnosis.

Note: Testing requested by the referring physician (immunostains, etc) may not be performed if deemed unnecessary by the reviewing Mayo neuromuscular pathologist. Electron microscopic studies are not performed on muscle biopsy specimens. For more information see Why Electron Microscopy is Not Performed on Muscle Biopsy Specimens in Special Instructions.


See Pathology Consultation Ordering Algorithm in Special Instructions.

Special Instructions Library of PDFs including pertinent information and forms related to the test

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

Muscle Biopsy Surgical Pathology Consultation and/or Review of Outside Material

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


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Muscle Path Consult

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

Muscle Biopsy, Enzyme Histochemistry
Muscle Tissue
Skeletal Muscle Tissue