# K990888: Modification to Liquichek Spinal Fluid Control, Item Nos. 751, 752

- Pathway: 510(k) (Traditional)
- Applicant: Bio-Rad
- Decided: Apr 7, 1999 after 28 days
- Product code: JJY (Multi-Analyte Controls, All Kinds (Assayed))
- Device class: 1
- Regulation: 21 CFR 862.1660
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K932076 (1993). 1 ancestor in all.
1 later device descends from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K932076: Liquichek Spinal Fluid Control Levels I and II, Bio-Rad (1993) Summary page 1.

## Most influential descendants
- K123775: Liquichek Spinal Fluid Control Level 1, Liquichek Spinal Fluid Control Level 2, Liquichek Spinal Fluid Control Minipak (2013), 0 descendants of its own

## Indications for use
Liquichek Spinal Fluid Control is intended for use as an assayed quality control to monitor the precision of laboratory testing procedures for the analytes listed in the package insert.

Source page: https://510kreport.com/device/K990888
Methodology: https://510kreport.com/methodology