Food, drugs, devices › Fresenius Medical Care Holdings, Inc.
Device recall: Naturalyte Liquid Acid concentrate bottles, Product Code 08-1251-1 - Product Usage: used in conjunction with Fresenius R
Fresenius Medical Care Holdings, Inc. (Waltham, MA) initiated this device recall on 23 Nov 2020; FDA lists 11 product records under event 86939, classified Class II.
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 deviation in conductivity for sodium level exceeds 0.6mS/cm from the theoretical conductivity (TCD) or approximately 6mEq/L of sodium from prescriptions that was previously communicated. Calcium concentration is below manufacturing specification."
Distribution
"US Nationwide distribution."
Product records
| Recall number | Product | Quantity | Class | Status | Report date |
|---|---|---|---|---|---|
| Z-0831-2021 | Naturalyte Liquid Acid concentrate bottles, Product Code 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. | 1686 cases | Class II | Ongoing | 20 Jan 2021 |
| Z-0832-2021 | Naturalyte Liquid Acid concentrate bottles, Product Code 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. | 2246 cases | Class II | Ongoing | 20 Jan 2021 |
| Z-0833-2021 | Naturalyte Liquid Acid concentrate bottles, Product Code 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. | 3083 cases | Class II | Ongoing | 20 Jan 2021 |
| Z-0834-2021 | Citrasate Liquid Acid concentrate bottles, Product Code 08-2251-CA - Product Usage: used in conjunction with Fresenius Renal Technologies Sodium Bicarbonate Concentrate in a compatible 45X dilution three-stream artificial kidney (hemodialysis) machine. | 278 cases | Class II | Ongoing | 20 Jan 2021 |
| Z-0835-2021 | Naturalyte Liquid Acid concentrate bottles, Product Code 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. | 1426 cases | Class II | Ongoing | 20 Jan 2021 |
| Z-0836-2021 | Naturalyte Liquid Acid concentrate bottles, Product Code 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. | 123 | Class II | Ongoing | 20 Jan 2021 |
| Z-0837-2021 | Naturalyte Liquid Acid concentrate bottles, Product Code 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. | 5079 cases | Class II | Ongoing | 20 Jan 2021 |
| Z-0838-2021 | Naturalyte Liquid Acid concentrate bottles, Product Code 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. | 912 cases | Class II | Ongoing | 20 Jan 2021 |
| Z-0839-2021 | Naturalyte Liquid Acid concentrate drums, Product Code 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. | 224 drums | Class II | Ongoing | 20 Jan 2021 |
| Z-0840-2021 | Naturalyte Liquid Acid concentrate drums, Product Code 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. | 2 drums | Class II | Ongoing | 20 Jan 2021 |
| Z-0841-2021 | Citrasate Liquid Acid concentrate drums, Product Code 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. | 2 drums | Class II | Ongoing | 20 Jan 2021 |
Context
Other enforcement events for Fresenius Medical Care Holdings, Inc.
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 deviation in conductivity for sodium level exceeds 0.6mS/cm from the theoretical conductivity (TCD) or approximately 6mEq/L of sodium from prescriptions that was previously communicated. Calcium concentration is below manufacturing specification."
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.