510(k) · Cleared
ClearedLoci Vitamin B12 (VB12) Flex Reagent Cartridge, Loci Anemia Calibrator (Anem Cal)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Siemens Healthcare Diagnostics · CDD Radioassay, Vitamin B12
Cleared on Jan 2, 2014 as substantially equivalent to K121994 (Siemens Healthcare Diagnostics, Inc., 2012) after a 48-day review. Its family tree reaches back 6 generations to 1990.
- Decided
- Jan 2, 2014
- Review
- 48 days
- Class
- Class II
- Product code
- CDD
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 6 generations to K902336 (1990). 16 ancestors in all. No later device cites it as a predicate yet.
- Root · 6 generations backK902336 Ciba Corning Acs:180 Automated ChemiluminescenceCiba Corning Diagnostics Corp. · 1990
- 5 generations backK971418 Chiron Diagnostics Automated Chemiluminescence System (Asc) Centaur…Chiron Diagnostics Corp. · 1997 · Recalled
- 4 generations backK032525 Bayer Advia Centaur Automated Chemiluminescence AnalyzerBayer Healthcare, LLC · 2003
- 3 generations backK041133 Modification to Bayer Advia Centaur Automated Chemiluminescence…Bayer Healthcare, LLC · 2004 · Recalled
- 2 generations backK071224 Dimension Vista Vitamin B12 and Folate Flex Reagent Cartridges and…Dade Behring, Inc. · 2007 · Recalled
- 1 generation backK121994 Dimension Vista Vitamin B12 (VB12) Flex Reagent Cartridge, Dimension…Siemens Healthcare Diagnostics, Inc. · 2012
- This deviceK133512 Loci Vitamin B12 (VB12) Flex Reagent Cartridge, Loci Anemia…Siemens Healthcare Diagnostics · 2014
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K902336 | Ciba Corning Acs:180 Automated Chemiluminescence | Ciba Corning Diagnostics Corp. | 1990 | — |
| −5 | K971418 | Chiron Diagnostics Automated Chemiluminescence System (Asc) Centaur Analyzer | Chiron Diagnostics Corp. | 1997 | 4 |
| −4 | K032525 | Bayer Advia Centaur Automated Chemiluminescence Analyzer | Bayer Healthcare, LLC | 2003 | — |
| −3 | K041133 | Modification to Bayer Advia Centaur Automated Chemiluminescence Analyzer | Bayer Healthcare, LLC | 2004 | 8 |
| −2 | K071224 | Dimension Vista Vitamin B12 and Folate Flex Reagent Cartridges and Loci 4… | Dade Behring, Inc. | 2007 | 1 |
| −1 | K121994 | Dimension Vista Vitamin B12 (VB12) Flex Reagent Cartridge, Dimension Vista… | Siemens Healthcare Diagnostics, Inc. | 2012 | — |
| 0 (this device) | K133512 | Loci Vitamin B12 (VB12) Flex Reagent Cartridge, Loci Anemia Calibrator (Anem… | Siemens Healthcare Diagnostics | 2014 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1992 | 1 | 0 |
| 1994 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 2001 | 1 | 0 |
| 2006 | 1 | 0 |
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 CDD? 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 CDD device
- #1 K233541 ARCHITECT Active-B12 (Holotranscobalamin)score 8.7 · 4 generations · no Class I recall
- #2 Held for the reportin 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 |
|---|---|---|---|
| * | K121994 | Dimension Vista Vitamin B12 (VB12) Flex Reagent Cartridge, Dimension Vista Loci 4…Summary page 1…* Calibrator Multianalyte - code JIX 3. Identification of the Predicate Device * Dimension Vista® Vitamin 612 Flex®)reagent cartridge (VB12) k121994 * Dimension Vista® LOCI 4 CAL k121994 FDA Guidance Document(s): *"Bundling Multiple Devic… | 2012 |
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?
- The line of descent spans 24 years and passes through 6 companies; a new generation was cleared every 5.0 years on median.
- 5 of the 16 ancestors have a recall of any class.
How does its category compare?
All CDD devicesCDD Radioassay, Vitamin B12: FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, this device’s year, is highlighted.
FDA decisions per year · CDD
1in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · CDD
147in 2012
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · CDD
1in 2021
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · CDD
44in 2025
MAUDE reports naming product code CDD, 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 | 1 | — | 1 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 1 | — | 0 | 4 |
| 2011 | 3 | 117 | 0 | 36 |
| 2012 | 3 | 147 | 0 | 23 |
| 2013 | 1 | — | 0 | 45 |
| 2014 | 2 | — | 0 | 12 |
| 2015 | 1 | — | 0 | 4 |
| 2016 | 2 | — | 0 | 6 |
| 2017 | 1 | — | 0 | 9 |
| 2018 | 0 | — | 2 | 15 |
| 2019 | 2 | — | 1 | 14 |
| 2020 | 0 | — | 0 | 11 |
| 2021 | 0 | — | 1 | 28 |
| 2022 | 1 | — | 0 | 24 |
| 2023 | 0 | — | 0 | 27 |
| 2024 | 1 | — | 0 | 33 |
| 2025 | 0 | — | 0 | 44 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The VB12 method is an in vitro diagnostic test for the quantitative measurement of Vitamin B12 (B12) in human serum and plasma on the Dimension EXL with LM integrated chemistry system. Measurements of Vitamin B12 may be used in the diagnosis of vitamin B12 deficiency.
The LOCI ANEMIA CAL is an in vitro diagnostic product for the calibration of the LOCI FOLA and LOCI VB12 assays on the Dimension EXL with LM integrated chemistry system.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K133512 · printed Nov 6, 2026
Cite this page
510(k) Report. “K133512: Loci Vitamin B12 (VB12) Flex Reagent Cartridge, Loci Anemia Calibrator (Anem Cal).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K133512
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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