Arginase 1 by Immunohistochemistry
Also known as: ARG1 IHC
Use
This immunohistochemical stain (Arginase 1) is intended as a technical service (‘stain and return’) for the identification of hepatocellular origin in tissue specimens, aiding in diagnostic evaluation in surgical pathology.
Special Instructions
Performed as a stain and return (technical) service only. Clients must follow ARUP's Immunohistochemistry Stain Offerings brochure for ordering recommendations. Slides or tissue blocks should not be oven baked when sending precut slides.
Limitations
Only formalin‑fixed, paraffin‑embedded tissue or cell‑block preparations are acceptable; frozen specimens are unacceptable. Specimens that are non‑representative or depleted may be rejected. Alternative fixatives or improper handling may compromise staining.
New York Approved
Methodology
Immunoassay (IHC)
Biomarkers
LOINC Codes
- 57723-9
- 8251-1
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen
Tissue (FFPE)
Volume
Not provided
Minimum Volume
Min: 2 slides
Collection Instructions
Transport tissue block or 5 unstained (3- to 5‑micron thick sections), positively charged slides, in a tissue transport kit (ARUP supply #47808 recommended but not required); if sending precut slides, do not oven bake.
Storage Instructions
Room temperature; also acceptable: Refrigerated. 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 |