Muscle Biopsy


Surgical Pathology, Muscle Biopsy

EPIC Order Number

3000015 – Clinic Pathology Request

4000079 – Hospital Pathology Request (complete letter in EPIC)


  • Fresh and send in an enclosed container to prevent drying out with a slightly moistened saline gauze wrapped around specimen.
  • Label specimen container with two patient identifiers (patient name, DOB, and/or MRN), collection date/time, and specimen site/source).
  • Specimen must be accompanied by a completed Surgical Pathology Request (or EPIC Electronic Order) including two patient identifiers (patient name, DOB, and/or MRN), collection date/time, pertinent patient history, performing physician, and specimen site/source.


  • Submerge the sample in saline as this will cause a swelling artifact.
  • Let the sample dry out which will cause enzyme activity to be lost.
  • Schedule muscle biopsies on a Thursday or Friday.
  • Do not use clamps.

Storage/Transport Temperature

Room temperature


Monday-Wednesday, 7:00 AM – 4:00 PM

Reported/Turnaround Time

Results are reported by Mayo Medical Laboratories within 10-14 working days of receipt.

NOTE:  Results may be delayed or the sample rejected if pertinent and/or required information is conflicting or missing.

See Surgical Pathology Report from Associates in Pathology

See Mayo Medical Laboratory results reported in EPIC by Aspirus Reference Laboratory