Test Code MBX Muscle Pathology Consultation
Additional Codes
| Hospital Order Code |
| Lab2608 MISMGO |
Ordering Guidance
This test is not appropriate for inhalation-transmission diseases such as tuberculosis, Brucella, measles, and varicella zoster. This test is also not appropriate for suspected Creutzfeldt-Jacobs Disease (CJD).
Additional Testing Requirements
Muscle biopsies from different anatomic sites require separate orders and separate specimen vials.
Shipping Instructions
Transport specimen per instructions in Muscle Biopsy Specimen Preparation Instructions.
Necessary Information
All requisition and supporting information must be submitted in English.
Each of the following items is required:
1. All requisitions must be labeled with:
-Patient name, date of birth, and medical record number
-Name and phone number of the referring pathologist or ordering provider
-Anatomic site and collection date
2. Muscle Histochemistry Patient Information (T361)
Specimen Required
Preferred:
Specimen Type: Frozen muscle biopsy tissue
Supplies: Muscle Biopsy Kit (T541)
Collection Instructions: Prepare and transport specimen per instructions in Muscle Biopsy Specimen Preparation Instructions.
Additional Information:
1. All specimens and additional paperwork must be labeled with:
-Two patient identifiers (first and last name, date of birth, or medical record number)
-Pathology accession/case number
-Anatomic site
2. Contact the Mayo Clinic Muscle Laboratory at 800-533-1710 for special problems to maximize benefit of the muscle biopsy.
Acceptable:
Specimen Type: Stained muscle biopsy slides
Collection Instructions:
1. Submit all stains performed on the case.
2. All specimens must be labeled with anatomic site.
Forms
Muscle Histochemistry Patient Information (T361) is required.
Useful For
Obtaining a rapid, expert opinion on muscle biopsy specimens for diagnosis of acquired or inherited muscle diseases
Guiding treatment and genetic testing, as well as investigating relevance of genetic variants of unknown significance
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| IHPCI | IHC Initial | No, (Bill Only) | No |
| IHPCA | IHC Additional | No, (Bill Only) | No |
| IFPCI | IF Initial | No, (Bill Only) | No |
| IFPCA | IF Additional | No, (Bill Only) | No |
| SS2PC | SpecStain, Grp II, other | No, (Bill Only) | No |
| SS3PC | SpecStain, Grp III, enzyme | No, (Bill Only) | No |
| HCFPC | SpecStain, frozen | No, (Bill Only) | No |
| COSPC | Consult, Outside Slide | No, (Bill Only) | No |
| CSPPC | Consult, w/Slide Prep | No, (Bill Only) | No |
| CUPPC | Consult, w/USS Prof | No, (Bill Only) | No |
| CRHPC | Consult, w/Comp Rvw of His | No, (Bill Only) | No |
| LV4RP | Level 4 Gross and Microscopic, RB | No, (Bill Only) | No |
Special Instructions
Method Name
Muscle Biopsy Surgical Pathology Consultation and/or Review of Outside Material
Reporting Name
Muscle Path ConsultSpecimen Type
VariesSpecimen Minimum Volume
1.5 cm biopsy
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Varies | Frozen (preferred) | |
| Ambient | ||
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Day(s) Performed
Monday through Friday
Report Available
3 to 14 days; Cases requiring additional material or ancillary testing may require additional time.Performing Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
88342 (if appropriate)
88341 (if appropriate)
88346 (if appropriate)
88350 (if appropriate)
88305 (if appropriate)
88313 (if appropriate)
88319 (if appropriate)
88314 (if appropriate)
88321 (if appropriate)
88323 (if appropriate)
88323-26 (if appropriate)
88325 (if appropriate)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| MBX | Muscle Path Consult | 60570-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 601767 | Interpretation | 59465-5 |
| 601769 | Participated in the Interpretation | No LOINC Needed |
| 601770 | Report electronically signed by | 19139-5 |
| 601771 | Addendum | 35265-8 |
| 601773 | Gross Description | 22634-0 |
| 603614 | Material Received | 81178-6 |
| 601822 | Case Number | 80398-1 |
| 601911 | Disclaimer | 62364-5 |