510(k) · Cleared
ClearedQualitrol Unassayed H. Pylori Control Set Positive and Negative Controls
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Consolidated Technologies, Inc. · LYR Helicobacter Pylori
Cleared on Jul 8, 1997 after a 29-day review. FDA’s file for it is a 510(k) statement, which names no predicate.
- Decided
- Jul 8, 1997
- Review
- 29 days
- Class
- Class I
- Product code
- LYR
- Recalls
- None
- 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 LYR? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new LYR device
- #1 K232892 Hp Detect™ Stool Antigen ELISAscore 7.1 · 3 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin 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)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
How does its category compare?
All LYR devicesLYR Helicobacter Pylori: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · LYR
2in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · LYR
86in 2018
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LYR
2in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LYR
2in 2023
MAUDE reports naming product code LYR, 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 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 2 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 1 | 1 |
| 2011 | 0 | — | 0 | 2 |
| 2012 | 2 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 2 | — | 0 | 2 |
| 2016 | 2 | — | 0 | 4 |
| 2017 | 0 | — | 0 | 1 |
| 2018 | 4 | 86 | 0 | 0 |
| 2019 | 1 | — | 0 | 0 |
| 2020 | 1 | — | 0 | 4 |
| 2021 | 0 | — | 0 | 1 |
| 2022 | 0 | — | 3 | 0 |
| 2023 | 2 | — | 1 | 2 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 2 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
Qualitrol Unassayed H. Pylori Control Set, consisting of positive and negative human serum based controls, may be used by laboratories, performing immunoassays for qualitative determination of Helicobacter pylori IgG antibody in human serum, routinely as a means of estimating precision and systematic shift in accuracy, provided: (a.) above mentioned controls are used as an adjunct to reagents provided by kit manufacturers and according to the recommended…
Read the full statement (115 words)
Qualitrol Unassayed H. Pylori Control Set, consisting of positive and negative human serum based controls, may be used by laboratories, performing immunoassays for qualitative determination of Helicobacter pylori IgG antibody in human serum, routinely as a means of estimating precision and systematic shift in accuracy, provided:
(a.) above mentioned controls are used as an adjunct to reagents provided by kit manufacturers and according to the recommended procedure provided specifically for the test system being used by the laboratory;
(b.) above mentioned controls are validated for use with the test system being used;
(c.) above mentioned controls are used in accordance with the quality control requirement of regulatory and/or accrediting organizations and laboratory quality control goals.
Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K972146 · printed Nov 6, 2026
Cite this page
510(k) Report. “K972146: Qualitrol Unassayed H. Pylori Control Set Positive and Negative Controls.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K972146
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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