# K253462: NaturaLyte® Dry Bicarbonate Concentrate (08-4112-2)

- Pathway: 510(k) (Traditional)
- Applicant: Fresenius Medical Care Renal Therapies Group, LLC
- Decided: Jan 29, 2026 after 114 days
- Product code: KPO (Dialysate Concentrate For Hemodialysis (Liquid Or Powder))
- Device class: 2
- Regulation: 21 CFR 876.5820
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K981043 (1998). 2 ancestors in all.
No later device cites it as a predicate yet.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K191474: NaturaLyte Dry Bicarbonate Concentrate (Rx-10 Bag), NaturaLyte Dry Bicarbonate Concentrate (Rx-12 Bag), NaturaLyte Dry Bicarbonate Concentrate (Carton), Fresenius Medical Care Renal Therapies Group, LLC (2020) Summary page 5.

## Indications for use
NaturaLyte® Dry Bicarbonate Concentrate (08-4112-2) is indicated for use in patients undergoing extracorporeal bicarbonate hemodialysis for acute and chronic renal failure. NaturaLyte® Dry Bicarbonate Concentrate (08-4112-2) is intended to be used as one component in the preparation of dialysate in a 3-stream proportioning hemodialysis machine according to a physician’s prescription.

Source page: https://510kreport.com/device/K253462
Methodology: https://510kreport.com/methodology