# K031890: Mas Bilirubin Liquid Assayed Bilirubin Control

- Pathway: 510(k) (Traditional)
- Applicant: Medical Analysis Systems, Inc.
- Decided: Jul 16, 2003 after 28 days
- Product code: JJX (Single (Specified) Analyte Controls (Assayed And Unassayed))
- Device class: 1
- Regulation: 21 CFR 862.1660
- Recalls of this device: 1 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Recalls of this device
- May 13, 2013 · Class II · Z-1563-2013: It has been confirmed from in-house testing that Direct Bilirubin (DBIL), and Total Bilirubin (TBIL) claimed in Thermo Scientific MAS Bilirubin Systems are displaying reduced stability.

## Indications for use
MAS: Bilirubin is intended for use as a consistent test sample of known concentration for monitoring assay conditions in many clinical laboratory determinations. Include Bilirubin with patient serum specimens when assaying for any of the listed constituents. Assay values are provided for the specific systems listed. The user can compare observations with expected ranges as a means of assuring consistent performance of reagent and instrument.

Source page: https://510kreport.com/device/K031890
Methodology: https://510kreport.com/methodology