Test Overview
Test Methodology


Test Usage

Identification of neoplasms expressing programmed cell death 1-ligand (clone SP142) or (clone SP263)

Reference Range *

Interpretive report provided.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Friday
Analytic Time

6 - 8 days

Soft Order Code
SP142 / SP263
  • PDL1 SP142 or SP263
  • PD-L1 Tecentriq (SP142)
  • PD-L1 Opdivo / Imfinzi (SP263)
Reference Laboratory
Mayo SP142 or SP263
Special Testing
Specimen Requirements
Collection Instructions

Formalin-fixed, paraffin-embedded tissue block; or 3 unstained glass, "positively charged" slides with 4-microns formalin-fixed, paraffin-embedded tissue. Slides must be dried before shipping (air dry overnight or dry in 60 degree C oven for 20 minutes). Both blocks and slides should be stored at room temperature.

Normal Volume
Formalin-fixed, paraffin-embedded tissue or unstained slides.
Additional Information

Test sent to Mayo Medical Laboratories.

CPT Code
Fee Code
SP142 AA444, SP263 AA445