Laboratory Services

Updated Test Information:

Test Description
CD4
Specimen Type

Formalin-fixed, paraffin-embedded tissue blocks (FFPE). If tissue blocks are not available, unstained slides are acceptable (please submit 1-2 slides per antibody to be tested, cuts must be 4 microns thick).

Specimen Collection / Processing Instructions

Tissue removed during a surgical procedure and placed in 10% NBF soon after removal from the patient. Appropriate tissue for requested staining.

Required Information

Complete the Incyte Diagnostics requisition with the patient's demographics and relevant clinical history.

Stability

Ambient: Indefinite

Unacceptable Specimen Conditions

Slides or paraffin blocks with no tissue remaining. Samples fixed in fixatives other than 10% neutral buffered formalin. Paraffin blocks that have been overheated or frozen.

Department (code)

Histology

Methodology

IHC, Ventana Ultra Stainer

Estimated TAT

12 business days from receipt

Testing Schedule

Monday–Saturday

Retention

Blocks:10 years
Slides: 10 years

CPT Code(s)

88341
88342

Clone

SP35 (Spokane)