PAS
Alternative name:
Periodic Acid Schiff
Methodology
Special Stains
Test Description and clinical significance
Disease:
Glycogen storage disease (versus other storage disorders). Fungal infection, Pulmonary alveolar proteinosis. Erythroleukemia, a leukemia of immature red blood cells, Ewing sarcoma, mycosis fungoides and Sézary syndrome. α1-antitrypsin deficiency , Whipple's disease.
PAS staining is mainly used for staining structures containing a high proportion of carbohydrate macromolecules (glycogen, glycoprotein, proteoglycans), typically found in e.g. connective tissues, mucus, the glycocalyx, and basal laminae.
Specimen Requirements
Collection:
FFPE/un-stained slides/Fresh tissue in formalin
Stability:
Room temperature
Unacceptable Conditions:
Unlabeled specimen/specimen left unfixed
for extended periods
Storage & Transport
Room Temperature
CPT(s)
88313
New York Approved
NO
TAT
1 Day
*The CPT codes provided are for informational purposes only and are based on AMA guidelines The billing party is solely responsible for correct CPT coding.
