CD56 (NCAM) by Immunohistochemistry
Also known as: CD56 IHC
Use
Used as a technical stain-and-return immunohistochemical assay to detect CD56 (NCAM) expression in tissue or cell specimens, aiding in identification of neural/neuroendocrine lineage or NK cells in histopathologic evaluation.
Special Instructions
Submit via electronic request or using ARUP Immunohistochemistry Stain Form (#32978) if electronic ordering is unavailable. This is a stain-and-return (technical) service only. New York State Department of Health approved.
Limitations
Specimens must be formalin-fixed, paraffin-embedded tissue or cell blocks; inadequate or non-representative tissue, depleted specimens, or overheated/frozen slides/blocks are unacceptable. Precut slides should not be oven baked.
New York Approved
Methodology
Immunoassay (IHC)
Biomarkers
LOINC Codes
- 94736-6
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen
Tissue
Volume
Not provided
Minimum Volume
Not provided
Collection Instructions
Formalin fix (10 percent neutral buffered formalin) and paraffin embed specimen (cells must be prepared into a cellblock). Transport tissue block or 5 unstained (3‑ to 5‑micron thick sections), positively charged slides in a tissue transport kit (ARUP supply #47808). Minimum 2 slides. If sending precut slides, do not oven bake.
Storage Instructions
Protect paraffin block and/or slides from excessive heat; room temperature or refrigerated; ship in cooled container during summer months.
Causes for Rejection
Depleted specimens; specimens submitted with non‑representative tissue type.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Indefinitely |
| Refrigerated | Indefinitely |
| Frozen | Indefinitely |