Smoothelin, IHC without Interpretation

Test Code
90229


CPT Codes
88342

Preferred Specimen
Formalin-fixed, paraffin-embedded tissue block


Other Acceptable Specimens
Minimum: 3 slides unstained, positively charged slides


Transport Container
IHC Specimen Transport Kit


Transport Temperature
Room temperature


Specimen Stability
Room temperature: Indefinitely
Refrigerated: Indefinitely
Frozen: Unacceptable


Methodology
Immunohistochemistry (IHC)

Setup Schedule
Set up: Mon-Fri a.m.; Report available: Next day


Clinical Significance
Smoothelin is a marker of the contractile smooth muscle
phenotype seen in blood vessels and the muscularis
propria. It can be used to identify vascular lesions as
well as muscularis invasion in bladder carcinoma.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.