510(k) · Cleared
ClearedEmit Calibrator B Level 1 (Cutoff)/Emit Calibrator B Level 2 (High)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Behring Diagnostics, Inc. · DKB Calibrators, Drug Mixture
Cleared on Jun 25, 1997 as substantially equivalent to K912729 (Syva Co., 1991) after a 55-day review. Its family tree reaches back 1 generation to 1991.
- Decided
- Jun 25, 1997
- Review
- 55 days
- Class
- Class II
- Product code
- DKB
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K912729 (1991). No later device cites it as a predicate yet.
- Root · 1 generation backK912729 Emit Calibrator B Level 1(Cutoff) & Level 2(High)Syva Co. · 1991
- This deviceK971600 Emit Calibrator B Level 1 (Cutoff)/Emit Calibrator B Level 2 (High)Behring Diagnostics, Inc. · 1997
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K912729 | Emit Calibrator B Level 1(Cutoff) & Level 2(High) | Syva Co. | 1991 | — |
| 0 (this device) | K971600 | Emit Calibrator B Level 1 (Cutoff)/Emit Calibrator B Level 2 (High) | Behring Diagnostics, Inc. | 1997 | — |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in DKB? 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? (1)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K912729 | Emit Calibrator B Level 1(Cutoff) & Level 2(High)Summary page 1…) and Emit® Calibrator B Level 2 (high) are substantially equivalent to the currently marketed Emit® Calibrator B Level 1 (cutoff) and Emit® Calibrator B Level 2 (high) (K912729) with regard to intended use and overall performance characteristics. The most significant difference between the modified Emit®… | 1991 |
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.
What does this lineage say?
- Its one ancestor has no recall.
How does its category compare?
All DKB devicesDKB Calibrators, Drug Mixture: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · DKB
2in 2014
2026 to Oct 25, outlined.
Median 510(k) review, days · DKB
Too few DKB 510(k)s in any year since 2007 to give a median.
Recalls per year · DKB
2in 2022
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · DKB
1in 2017
MAUDE reports naming product code DKB, 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 | — | 0 | 0 |
| 2009 | 2 | — | 3 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 2 | — | 2 | 1 |
| 2012 | 1 | — | 1 | 4 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 2 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 1 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 2 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Emit® Calibrator B Level 1 and Calibrator B Level 2 are used in the calibration of the Emit® d.a.u.™ Amphetamine Class, Barbiturate (300 ng/mL cutoff), Benzodiazepine (300 ng/mL cutoff), Cocaine Metabolite (150 ng/mL cutoff), Methadone, Methaqualone, and Propoxyphene Assays.
The Emit® Calibrator B Level 1 and Calibrator B Level 2 are also used in the calibration of the Emit® IT Barbiturate (300 ng/mL cutoff), Benzodiazepine (300 ng/mL cutoff), Methadone, Methaqualone, Opiates 300/2000, and Propoxyphene Assays.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K971600 · printed Nov 6, 2026
Cite this page
510(k) Report. “K971600: Emit Calibrator B Level 1 (Cutoff)/Emit Calibrator B Level 2 (High).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K971600
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026