Periodic Acid Schiff (PAS) | Special Stain
| Test Details | To demonstrate basement 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) Minimum slide requirement: 2 slides. If requesting interpretation, please submit an H&E slide. |
| 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) |