Recall Register

Food, drugs, devices › Fresenius Medical Care Holdings, Inc.

Device recall: NaturaLyte Liquid Acid concentrate bottles, Model Number 08-1251-1 - Product Usage: used in conjunction with Fresenius R

FDA enforcement event 86855 · Class II · initiated 7 Nov 2020 · status Ongoing

DeviceVoluntary: Firm initiated19 product recordsWaltham, MA

FDA enforcement event 86855 is a device recall by Fresenius Medical Care Holdings, Inc. of Waltham, MA, initiated 7 Nov 2020 and classified Class II, with 19 product records.

FDA defines Class II as a situation in which use of or exposure to a violative product may cause temporary or medically reversible adverse health consequences or where the probability of serious adverse health consequences is remote. 93% of the 916 device enforcement events initiated in 2020 carry the same class.

Status: Ongoing. Initiation: voluntary: firm initiated. Fresenius Medical Care Holdings, Inc. has 66 enforcement events on this register, with a median of 1 product record per event.

Recall classification reflects the relative degree of health hazard. Text in quotation marks is FDA's. openFDA export dated 28 Sep 2026.

Recalling firm

Fresenius Medical Care Holdings, Inc., Waltham, MA.

Reason for recall

"The sodium and/or calcium levels in these concentrates were below the manufacturing specifications."

Distribution

"US Nationwide distribution."

Product records

Recall numberProductQuantityClassStatusReport date
Z-0811-2021NaturaLyte Liquid Acid concentrate bottles, Model Number 08-1251-1 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.3665 casesClass IIOngoing20 Jan 2021
Z-0812-2021NaturaLyte Liquid Acid concentrate bottles, Model Number 08-1301-4 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.527 casesClass IIOngoing20 Jan 2021
Z-0813-2021NaturaLyte Liquid Acid concentrate bottles, Model Number 08-2201-5 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.5765 casesClass IIOngoing20 Jan 2021
Z-0814-2021NaturaLyte Liquid Acid concentrate bottles, Model Number 08-2231-2 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.180 casesClass IIOngoing20 Jan 2021
Z-0815-2021NaturaLyte Liquid Acid concentrate bottles, Model Number 08-2251-0 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.11709 casesClass IIOngoing20 Jan 2021
Z-0816-2021NaturaLyte Liquid Acid concentrate bottles, Model Number 08-2301-3 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.8272 casesClass IIOngoing20 Jan 2021
Z-0817-2021NaturaLyte Liquid Acid concentrate bottles, Model Number 08-2351-8 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.577 casesClass IIOngoing20 Jan 2021
Z-0818-2021NaturaLyte Liquid Acid concentrate bottles, Model Number 08-3201-4 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.819 casesClass IIOngoing20 Jan 2021
Z-0819-2021NaturaLyte Liquid Acid concentrate bottles, Model Number 08-3231-1 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.1006 casesClass IIOngoing20 Jan 2021
Z-0820-2021NaturaLyte Liquid Acid concentrate bottles, Model Number 08-3251-9 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.19646 casesClass IIOngoing20 Jan 2021
Z-0821-2021NaturaLyte Liquid Acid concentrate bottles, Model Number 08-3301-2 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.1780 casesClass IIOngoing20 Jan 2021
Z-0822-2021NaturaLyte Liquid Acid concentrate bottles, Model Number 08-4231-0 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.1726 casesClass IIOngoing20 Jan 2021
Z-0823-2021NaturaLyte Liquid Acid concentrate drums, Model Number 13-1251-1 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.51 drumsClass IIOngoing20 Jan 2021
Z-0824-2021NaturaLyte Liquid Acid concentrate drums, Model Number 13-2201-5 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.27 drumsClass IIOngoing20 Jan 2021
Z-0825-2021NaturaLyte Liquid Acid concentrate drums, Model Number 13-2251-0 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.592 drumsClass IIOngoing20 Jan 2021
Z-0826-2021NaturaLyte Liquid Acid concentrate drums, Model Number 13-3251-9 - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.230 drumsClass IIOngoing20 Jan 2021
Z-0827-2021Citrasate Liquid Acid concentrate bottles, Model Number 08-3251-CA - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.548 casesClass IIOngoing20 Jan 2021
Z-0828-2021Citrasate Liquid Acid concentrate drums, Model Number 13-2251-CA - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.198 drumsClass IIOngoing20 Jan 2021
Z-0829-2021Citrasate Liquid Acid concentrate drums, Model Number 13-3251-CA - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine.176 drumsClass IIOngoing20 Jan 2021

Context

93%of 2020 device events are Class II916 events that year
19product records in this eventfirm median: 1
66events on this register for the firm

Other enforcement events for Fresenius Medical Care Holdings, Inc.

InitiatedProduct (first record)TypeClassRecords
12 May 2026Bicarby" Dialysate; Model Numbers: RFP-400-G, RFP-401-G, RFP-402-G, RFP-404-G, RFP-407-G, and RFP-456-G;DeviceClass II1
11 May 20265008X Blood Tubing Set, 24 units per case. Includes the below model numbers and descriptions. 1. 5008X HD Pre-Flush StanDeviceClass II1
7 May 2026Bicarby Dialysate; Model number: RFP-400-G;DeviceClass II1
6 Apr 2026DELFLEX, Dextrose Peritoneal Dialysis Solution with attached stay-safe Exchange Set for Intraperitoneal Dialysis Only, 1DrugClass II2
25 Oct 20255008X CAREsystem +CLiC +CDX;DeviceClass II1
29 Aug 2025Optiflux¿ High Flux E-beam Dialyzer Model Numbers: (1) 0500316E OPTIFLUX F160NRe 12/CS 1.5SA EBEAM, (2) 0500318E OPTIFLUDeviceClass II1
27 May 20250.9% Sodium Chloride Injection, USP, Flexible Plastic Container, Rx Only Fresenius Medical Care North America, Waltham, DrugClass II1
29 Apr 20255008X HDF Hemodialysis Blood Tubing Set, 24 units per case, with the following models: a. 5008X Standard HDF Bloodline, DeviceClass II1
5 Dec 2024Dialyzer Optiflux 160NReDeviceClass II1
8 Aug 2024Blood Pressure Module BPM3 TM-2917B (Spare Part Numbers 191378 or 191389) with firmware version S005 installed in 2008 SDeviceClass II1

All 66 events for Fresenius Medical Care Holdings, Inc.

Questions and answers

Why was this device recalled?

FDA's record gives the reason for recall as: "The sodium and/or calcium levels in these concentrates were below the manufacturing specifications."

What does Class II mean?

FDA classifies recalls by relative degree of health hazard. Class II is a situation in which use of or exposure to a violative product may cause temporary or medically reversible adverse health consequences or where the probability of serious adverse health consequences is remote.

Where was the product distributed?

FDA's distribution pattern field reads: "US Nationwide distribution."

Is the recall still ongoing?

FDA lists the status as Ongoing. "Terminated" means FDA has determined that all reasonable efforts to remove or correct the product have been made.

Where does this data come from?

openFDA enforcement reports (food, drug and device), CC0, export dated 28 Sep 2026. Text in quotation marks is FDA's. The FDA enforcement report linked above is authoritative.

Provenance

Source: openFDA device enforcement reports (CC0), export dated 28 Sep 2026; records grouped by FDA event number. The class shown for the event is the most severe class among its records. Errors in processing are corrected at the next build; see corrections.