Periodic Acid Schiff (PAS) | Special Stain

Test DetailsTo demonstrate basemnt membranes, glycogen, mucin and fungi
MethodologySpecial stain
PerformedMonday – Friday
Turnaround2 – 3 business days
Specimen RequirementsParaffin Block and /or Unstained Sections (5 microns thick)

Minimum slide requirement: 2 slides.
If requesting interpretation, please submit an H&E slide.
Storage/Transport ConditionsRoom 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)