# Nxstage Medical, Inc. (specification developer, Lawrence, MA): 1 new FDA device listing, incl. dialyzer, high permeability with or without sealed dialysate system

**Score:** 70/100

| Field | Value |
|---|---|
| Establishment | Nxstage Medical, Inc. |
| Owner / operator | Fresenius Medical Care Holdings, Inc. |
| Role | Specification developer (outsources manufacturing) |
| Establishment types | Develop Specifications But Do Not Manufacture At This Facility; Complaint File Establishment per 21 CFR 820.198 |
| Location | Lawrence, MA, US |
| New listings | 1 |
| Devices | Dialyzer, High Permeability With Or Without Sealed Dialysate System |
| Product codes | KDI |
| Device classes | Class II |
| Medical specialties | Gastroenterology, Urology |
| First new listing | 2026-06-29 |
| Latest new listing | 2026-06-29 |
| FDA registration number | 3003464075 |
| Registration expires | 2026-12-31 |

## Why this score
- Brings its own devices to market: buys manufacturing, sterilization and QMS help.
- Class II or III devices: QMS and regulatory demands.
- U.S. establishment.

Source: openFDA device registration and listing endpoint (U.S. Food and Drug Administration) (https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRL/rl.cfm). Last refreshed: 2026-10-28T20:51:27.468Z.
From the openFDA device registration and listing data, refreshed weekly. A listing shows a device an establishment says it makes or handles for the U.S. market; it is not FDA clearance or approval. Contact persons and street addresses are not stored. Verify in the FDA Establishment Registration and Device Listing database.