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Keratins, high molecular weight (34ßE12) pin


Keratins, high molecular weight (34ßE12)

Methodology: IHC

Clinical Significance:
Identifies "high molecular weight" cytokeratins. It is an excellent marker of squamous differentiation, as well as a marker of the outer cell layer in prostatic glands, which is absent in carcinoma. Subcellular Localization: Cytoplasmic

Organ: Genitourinary Tumors

Disease State:

CPT Code(s): 88342 or 88341. The CPT codes provided 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 payer being billed.

Turnaround Time: Within 1-2 business days of receipt

Schedule: Monday - Friday

Specimen Requirements:
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR - • 1 unstained slide for each test requested plus 3-4 additional unstained slides cut at 4µm