# Immunohistochemistry Assay, Antibody, Programmed Death-Ligand 1
> **Product code: PLS** · Class III — High Risk (PMA approval required, life-sustaining) · Unknown · —
## Classification
- **FDA Product Code:** PLS
- **Device class:** Class III — High Risk (PMA approval required, life-sustaining)
- **Regulation:** —
- **Review panel:** PA
- **Medical specialty:** Unknown
- **Submission type:** 2
- **GMP exempt:** N
- **Life sustaining:** N
- **Implant:** N
- **Third-party review:** N
## Definition

The programmed death-ligand 1 (PD-L1) antibody is a qualitative immunohistochemical antibody intended to identify PD-L1 protein expression in human clinical tissue specimens.  The PD-L1 antibody is indicated as an aid in identifying patients eligible for treatment with specific FDA approved therapeutic drugs or to assess PD-L1 expression level in patients who may respond particularly well to specific FDA approved therapeutic drugs.

## Market data
- **Cleared 510(k) submissions:** 0
- **Registered establishments:** 4
## Source
- [FDA Device Classification](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpcd/classification.cfm?ID=PLS)
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