CLASS II Device recall · Reported 2 Jul 2014 · FDA Enforcement Report

NxStage Dialysate Sack (SAK) with Concentrate for Use recalled

NxStage Medical is recalling NxStage Dialysate Sack (SAK) with Concentrate for Use with PureFlow SL, distributed nationwide in the US. The recall was initiated on 14 May 2014 and the FDA has classified it as Class II.

Check your package

Lot, batch or date codesLot codes: 31279092 3047917 3047916
Quantity recalled2711 cases

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

Recall details

Recall number
Z-1859-2014
FDA event ID
68354
Recalling firm
NxStage Medical, Lawrence, MA
Classification
Class II
Status
Terminated
Recall initiated
14 May 2014
FDA classified
24 Jun 2014
Reported
2 Jul 2014
Type
Voluntary: Firm initiated
Customers notified by
Letter
Reason category
Packaging Defects

Timeline

14 May 2014Recall initiated by company
24 Jun 2014Classified by FDA+41 days
2 Jul 2014Published in enforcement report+8 days

Companies usually start a recall weeks before the FDA classifies and publishes it; the gap above is that lag.

Reason for recall

SAK Dialysate Concentrate contain aluminum levels which exceed internal product specification

Packaging recalls include wrong labels, wrong products in the wrong bottle, missing leaflets, short-filled or empty capsules and seals that fail.

Product as listed by the FDA

NxStage Dialysate Sack (SAK) with Concentrate for Use with PureFlow SL REF: SAK-306 Lactate 45, Potassium 2, Sodium 140, Calcium 3, Magnesium 1, Chloride 101, Glucose (mg/dL) 100 Batch Size (liters) 50 The SAK is one of the disposables used with NxStage PureFlow SL Dialysate Preparation System. The SAK is a disposable bag pre-filled with dialysate concentrate that is then filled with purified water prepared by NxStage PureFlow SL Dialysate Preparation System to prepare a batch of dialysate for use with the NxStage System One. SAKs are packaged in a case containing two SAKs. SAK product SKUs vary in the dialysate concentrate and volume of the final dialysate batch.

Where it was distributed

Worldwide Distribution - USA (nationwide) and Internationally to France, Netherlands, Spain, Sweden, and the UK.

Nationwide

Questions about this recall

Is NxStage Dialysate Sack (SAK) with Concentrate for Use with PureFlow SL recalled?

Yes. NxStage Medical recalled NxStage Dialysate Sack (SAK) with Concentrate for Use with PureFlow SL on 14 May 2014. The recall is Class II and its status is Terminated. Recall number Z-1859-2014.

Why was it recalled?

SAK Dialysate Concentrate contain aluminum levels which exceed internal product specification

Which lots are affected?

Lot codes: 31279092 3047917 3047916

Where was it sold?

Worldwide Distribution - USA (nationwide) and Internationally to France, Netherlands, Spain, Sweden, and the UK.

What should I do if I have it?

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

What does Class II mean?

Class II means the product may cause temporary or medically reversible health problems, or the probability of serious harm is remote.

Read the official FDA notice · Source record retrieved 21 Sep 2026. The FDA describes openFDA data as unvalidated; the official notice takes precedence. This page reports the record and gives no medical advice.

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