Facebook Pixel Code
Section banner image
Paediatric Laboratory Medicine

Specimen Type - Muscle (Biopsies/Autopsies)

Test Name

Specimen Type - Muscle (Biopsies/Autopsies)


Mitochondrial Disease

Turn Around Time

  • Tissue Biopsies: Fresh - 5 business days
  • Tissue Biopsies: Frozen - 1 month


Enzyme Testing, Mitochondrial Isolation for Mitochondrial Diseases

Specimen Type


Minimum Specimen Requirements

30-50 mg from muscle biopsy/autopsy for testing on muscle homogenate (Vial or Eppendorf Tube); 250- 300 mg for mitochondrial isolation from muscle biopsy

Optimal Collection Time

Frozen biopsy: anytime
Fresh biopsy: until 2:30 pm Monday-Friday


Transport from Pathology in dish on ice

Special Requirements

Call to book (ext. 205989)  at least 24 hours in advance for full Mitochondrial Enzyme screening on isolated mitochondria (Fresh specimen!).Pick up from Pathology.

Shipping and Contact Information

The Hospital for Sick Children
Rapid Response Laboratory
170 Elizabeth Street, Room 3642
Toronto, ON
M5G 2G3
Phone: 416-813-7200
Phone: 1-855-381-3212