Prostate Specific Antigen by Immunohistochemistry
Also known as: PSA IHC
Use
This test provides immunohistochemical (IHC) staining for prostate specific antigen (PSA) in tissue or cell samples, serving as a technical service (“stain and return”) to help determine whether isolated metastases or tissue are of prostatic origin. It is generally used in pathology workup when determining tissue morphology and origin.
Special Instructions
Request via electronic order or use ARUP Immunohistochemistry Stain Form (#32978) if electronic ordering is unavailable. Use ARUP supply #47808 specimen transport kit. This is a stain-and-return (technical) service only.
Limitations
Unacceptable specimens include non-representative tissue types and depleted specimens. Precautions include protecting paraffin blocks or slides from excessive heat and not oven‑baking precut slides. Frozen specimens are unacceptable; only ambient or refrigerated storage/transport is acceptable. Adequate material is required (e.g., tissue block or minimum two unstained slides).
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 (FFPE)
Volume
Not provided
Minimum Volume
Not provided
Container
Tissue block or positively charged slides (min 2 unstained 3‑ to 5‑micron thick sections)
Collection Instructions
Transport tissue block or 5 unstained (3‑ to 5‑micron thick) positively charged slides in ARUP supply #47808 transport kit; if sending precut slides, do not oven bake.
Storage Instructions
Protect from excessive heat; ship in cooled container during summer months.
Causes for Rejection
Non‑representative tissue type; depleted specimens
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Indefinitely |
| Refrigerated | Indefinitely |
| Frozen | Unacceptable |