Periodic Acid Schiff (PAS) | Special Stain

Test Details To demonstrate basemnt membranes, glycogen, mucin and fungi
Methodology Special stain
Performed Monday – Friday
Turnaround 2 – 3 business days
Specimen Requirements Paraffin Block and /or Unstained Sections (5 microns thick)
Storage/Transport Conditions Room temperature (use cold packs for transport of blocks during summer months)
CPT Code(s) 88312 (fungi, Candida); 88313 (mucin, glycogen, glycoprotein); or 88314 (on snap frozen)