510(k) · Cleared
ClearedDiamond Calibrator Low, Diamond Calibrator High
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Diamond Diagnostics, Inc. · JIT Calibrator, Secondary
Cleared on Dec 20, 2012 as substantially equivalent to K945271 (Bio-Chem Laboratory Systems, Inc., 1995) after a 260-day review. Its family tree reaches back 1 generation to 1995. 1 later device descends from it.
- Decided
- Dec 20, 2012
- Review
- 260 days
- Class
- Class II
- Product code
- JIT
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K945271 (1995). 1 later device descends from it, 1 citing it directly.
- Root · 1 generation backK945271 Atac 8000 Random Access Chemistry SystemBio-Chem Laboratory Systems, Inc. · 1995 · Recalled
- This deviceK121027 Diamond Calibrator Low, Diamond Calibrator HighDiamond Diagnostics, Inc. · 2012
- Descendant · cites it directly · 0 of its ownK133751 Diamond Diagnostics Ise Serum Standards, Diamond Diagnostics Ise…Diamond Diagnostics, Inc. · 2014
Most influential descendants
Showing 1 of 1 · See all- K133751Diamond Diagnostics Ise Serum Standards, Diamond Diagnostics Ise Urine StandardsDiamond Diagnostics, Inc. · 2014 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K945271 | Atac 8000 Random Access Chemistry System | Bio-Chem Laboratory Systems, Inc. | 1995 | 1 |
| 0 (this device) | K121027 | Diamond Calibrator Low, Diamond Calibrator High | Diamond Diagnostics, Inc. | 2012 | — |
| +1 | K133751 | Diamond Diagnostics Ise Serum Standards, Diamond Diagnostics Ise Urine Standards | Diamond Diagnostics, Inc. | 2014 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2014 | 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 JIT? 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 |
|---|---|---|---|
| * | K945271 | Atac 8000 Random Access Chemistry SystemSummary page 2…Page 2 === Predicate Device: ATAC 8000 /Envoy 500 ISE Calibrators Predicate 510(k) number(s): K945271 Comparison with predicate: Chaactrisics Diamond ATAC BOOOIEnvoy 500 ISE ATAC 8000… | 1995 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K133751 | Diamond Diagnostics Ise Serum Standards, Diamond Diagnostics Ise Urine Standards | 2014 | 0 |
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 a recall.
- Of its descendants, K133751 (Diamond Diagnostics, Inc., 2014) has gone furthest, with 0 descendants of its own.
How does its category compare?
All JIT devicesJIT Calibrator, Secondary: FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, this device’s year, is highlighted.
FDA decisions per year · JIT
7in 2017
2026 to Oct 25, outlined.
Median 510(k) review, days · JIT
28in 2017
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · JIT
1in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JIT
7in 2025
MAUDE reports naming product code JIT, 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 | 5 | 78 | 1 | 0 |
| 2008 | 6 | 46 | 0 | 0 |
| 2009 | 2 | — | 2 | 0 |
| 2010 | 6 | 65 | 0 | 3 |
| 2011 | 7 | 48 | 3 | 2 |
| 2012 | 2 | — | 3 | 10 |
| 2013 | 5 | 140 | 0 | 43 |
| 2014 | 10 | 33 | 2 | 9 |
| 2015 | 4 | 30 | 1 | 6 |
| 2016 | 4 | 33 | 0 | 3 |
| 2017 | 7 | 28 | 0 | 7 |
| 2018 | 0 | — | 5 | 8 |
| 2019 | 0 | — | 0 | 215 |
| 2020 | 0 | — | 2 | 12 |
| 2021 | 0 | — | 0 | 3 |
| 2022 | 0 | — | 0 | 4 |
| 2023 | 0 | — | 1 | 6 |
| 2024 | 0 | — | 0 | 17 |
| 2025 | 0 | — | 0 | 7 |
| 2026 | 0 | — | 1 | — |
What is it indicated for?
Diamond Diagnostics Calibrators for ATAC 8000 and Envoy 500 instruments are intended to provide calibration points for the Nat, K+, Cl-' and CO 2 electrodes on the ATAC 8000 and Envoy 500 instruments.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K121027 · printed Nov 6, 2026
Cite this page
510(k) Report. “K121027: Diamond Calibrator Low, Diamond Calibrator High.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K121027
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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