Smoothelin, IHC with Interpretation

Test Code
90179

CPT Codes
88342

Preferred Specimen

1 formalin-fixed, paraffin-embedded tissue block submitted in IHC Specimen Transport Kit



Minimum Volume
1 block • 3 slides

Other Acceptable Specimens
3 unstained slides, positively charged, submitted in an IHC Specimen Transport Kit

Instructions
Please include surgical pathology report

Transport Temperature
Room temperature

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

Methodology
Immunohistochemistry (IHC)

Setup Schedule
Set up: Mon-Fri; Report available: 3 days

Reference Range

See Laboratory Report



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.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153




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.