# Abnormal Breath Sound Device
> **Product code: PHZ** · Class II — Moderate Risk (510(k) clearance required) · Anesthesiology · 21 CFR 868.1900
## Classification
- **FDA Product Code:** PHZ
- **Device class:** Class II — Moderate Risk (510(k) clearance required)
- **Regulation:** 21 CFR 868.1900
- **Review panel:** AN
- **Medical specialty:** Anesthesiology
- **Submission type:** 1
- **GMP exempt:** N
- **Life sustaining:** N
- **Implant:** N
- **Third-party review:** Y
## Definition

The device is intended to measure abnormal breath sound, such as wheeze, rhonchi, and whistling.

## Market data
- **Cleared 510(k) submissions:** 6
- **Registered establishments:** 2
## Source
- [FDA Device Classification](https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpcd/classification.cfm?ID=PHZ)
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