510(k) · Cleared
Recalled · Class II · 2013Mas Bilirubin Liquid Assayed Bilirubin Control
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Medical Analysis Systems, Inc. · JJX Single (Specified) Analyte Controls (Assayed And Unassayed)
Cleared on Jul 16, 2003 after a 28-day review. FDA’s file for it is a 510(k) statement, which names no predicate. It has been recalled once.
- Decided
- Jul 16, 2003
- Review
- 28 days
- Class
- Class I
- Product code
- JJX
- Recalls
- 1
- Predicates
- 0
FDA’s file for it is a 510(k) statement, which names no predicate.
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in JJX? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the report
What was it cleared against?
FDA’s file for it is a 510(k) statement, which names no predicate.
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| May 13, 2013 | Class II | Z-1563-2013 | Under Investigation by firm | 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. |
No ancestor or descendant has a Class I recall.
How does its category compare?
All JJX devicesJJX Single (Specified) Analyte Controls (Assayed And Unassayed): FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · JJX
2in 2017
2026 to Oct 25, outlined.
Median 510(k) review, days · JJX
31in 2016
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · JJX
1in 2021
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JJX
22in 2025
MAUDE reports naming product code JJX, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 6 | 53 | 3 | 2 |
| 2008 | 8 | 52 | 3 | 0 |
| 2009 | 17 | 80 | 0 | 1 |
| 2010 | 24 | 80 | 3 | 6 |
| 2011 | 19 | 62 | 2 | 62 |
| 2012 | 15 | 40 | 0 | 32 |
| 2013 | 19 | 37 | 0 | 51 |
| 2014 | 22 | 30 | 1 | 48 |
| 2015 | 11 | 65 | 1 | 67 |
| 2016 | 6 | 31 | 2 | 37 |
| 2017 | 2 | — | 0 | 19 |
| 2018 | 0 | — | 2 | 35 |
| 2019 | 0 | — | 0 | 82 |
| 2020 | 0 | — | 0 | 77 |
| 2021 | 0 | — | 1 | 43 |
| 2022 | 0 | — | 0 | 24 |
| 2023 | 0 | — | 0 | 22 |
| 2024 | 0 | — | 0 | 30 |
| 2025 | 0 | — | 0 | 22 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
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.
Indications for use as stated in the FDA 510(k) statement.
https://510kreport.com/device/K031890 · printed Nov 6, 2026
Cite this page
510(k) Report. “K031890: Mas Bilirubin Liquid Assayed Bilirubin Control.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K031890
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Page last updated Nov 3, 2026