# Internal Tissue Marker
> **Product code: PDW** · Class II — Moderate Risk (510(k) clearance required) · General, Plastic Surgery · 21 CFR 878.4670
## Classification
- **FDA Product Code:** PDW
- **Device class:** Class II — Moderate Risk (510(k) clearance required)
- **Regulation:** 21 CFR 878.4670
- **Review panel:** SU
- **Medical specialty:** General, Plastic Surgery
- **Submission type:** 1
- **GMP exempt:** N
- **Life sustaining:** N
- **Implant:** N
- **Third-party review:** N
## Definition

An internal tissue marker is a prescription use device that is intended for use prior to or during general surgical procedures to demarcate selected sites on internal tissues.

## Market data
- **Cleared 510(k) submissions:** 3
- **Registered establishments:** 0
## Source
- [FDA Device Classification](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpcd/classification.cfm?ID=PDW)
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