CD21 | IHC
| Test Details | Normal follicular dendritic cells; dendritic cell tumor/sarcomas, B cell subset |
| Methodology | Immunohistochemistry |
| Performed | Monday – Friday |
| Turnaround | 2 – 3 business days |
| Specimen Requirements | For Ventana IHC, sections should be on Plus(+) charged slides. Minimum specimen 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) | 88342 |