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Special Stains A-Z menu

Test Code

See associations below

Test Synonyms

Histology, Histochemistry stains

Test Code Description
S S1 Special Stain group I microorganisms
S S2 Special Stain group II routine
S ALBL Alcian Blue stain
S CONGO Congo Red stain
S GMS Grocott's Methenamine Silver
S IRON Iron Stain
S MELANIN  Melanin and Argentaffin Granule Stain
S MUCI Mucicarmine stain
S PAS Periodic Acid Schiff stain
S RETIC Reticulum stain
S TRI Trichrome stain



By stain

Turnaround Time

2 days

Specimen Requirements

Paraffin embedded tissue block
3 slides (3-5 uM) per marker on adhesion glass

Specimen Stability
Indefinitely at room temperature
Storage & Handling

Ship ambient. Protect from extreme temperature with ice pack. Separate ice pack from specimen.

Causes for Rejection

Improper specimen labeling; inadequate tissue evaluation; improper sample submission


Surgical tissue (biopsies, excisions, etc.) needing routine microscopic pathological interpretation