Glial fibrillary acid protein | IHC
| Test Details | Detects astrocytes, Schwann cells, satellite cells, enteric glial cells. Used to distinguish neoplasms of astrocytic origin from other neoplasms of CNS |
| Methodology | Immunohistochemistry |
| Performed | Monday – Friday |
| Turnaround | 2 – 3 business days |
| Specimen Requirements | For Ventana IHC, sections should be on Plus(+) charged slides. |
| Storage/Transport Conditions | Room temperature (use cold packs for transport of blocks during summer months) |
| CPT Code(s) | 88342 |