510(k) · Cleared
ClearedIDS-iSYS Intact PTHN
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Immunodiagnostic Systems, Ltd. · CEW Radioimmunoassay, Parathyroid Hormone
Cleared on Jan 31, 2017 as substantially equivalent to K103325 (Immunodiagnostic Systems, Ltd., 2012) after a 281-day review. Its family tree reaches back 1 generation to 2012.
- Decided
- Jan 31, 2017
- Review
- 281 days
- Class
- Class II
- Product code
- CEW
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K103325 (2012). No later device cites it as a predicate yet.
- Root · 1 generation backK103325 Ids-Isys Intact PTHImmunodiagnostic Systems, Ltd. · 2012
- This deviceK161158 IDS-iSYS Intact PTHNImmunodiagnostic Systems, Ltd. · 2017
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K103325 | Ids-Isys Intact PTH | Immunodiagnostic Systems, Ltd. | 2012 | — |
| 0 (this device) | K161158 | IDS-iSYS Intact PTHN | Immunodiagnostic Systems, Ltd. | 2017 | — |
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 CEW? 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 CEW device
- #1 K231927 Elecsys PTH , Elecsys PTH STATscore 7.6 · 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? (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 |
|---|---|---|---|
| * | K103325 | Ids-Isys Intact PTHSummary page 6…w source of antibody for the assay. Page 2 of 10 9. Predicate Devices: IDS-iSYS Intact PTH, K103325 10. Special Conditions for Use: For in vitro diagnostic use. Rx Only 11. Special… | 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?
- Its one ancestor has no recall.
How does its category compare?
All CEW devicesCEW Radioimmunoassay, Parathyroid Hormone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.
FDA decisions per year · CEW
2in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · CEW
160in 2007
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · CEW
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · CEW
37in 2025
MAUDE reports naming product code CEW, 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 | 4 | 160 | 1 | 0 |
| 2008 | 0 | — | 1 | 8 |
| 2009 | 0 | — | 0 | 4 |
| 2010 | 1 | — | 3 | 23 |
| 2011 | 0 | — | 0 | 97 |
| 2012 | 1 | — | 0 | 124 |
| 2013 | 2 | — | 1 | 172 |
| 2014 | 1 | — | 0 | 167 |
| 2015 | 1 | — | 0 | 57 |
| 2016 | 0 | — | 2 | 98 |
| 2017 | 2 | — | 0 | 83 |
| 2018 | 0 | — | 0 | 65 |
| 2019 | 1 | — | 0 | 77 |
| 2020 | 0 | — | 0 | 50 |
| 2021 | 0 | — | 0 | 57 |
| 2022 | 0 | — | 2 | 188 |
| 2023 | 1 | — | 0 | 82 |
| 2024 | 2 | — | 2 | 67 |
| 2025 | 0 | — | 1 | 37 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The IDS-iSYS Intact PTHN assay is an in vitro diagnostic device intended for the quantitative determination of intact PTH in human serum or plasma on the IDS-iSYS Multi-Discipline Automated System. Results are to be used in the differential diagnosis of hypercalcemia and hypocalcemia resulting from disorders of calcium metabolism.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K161158 · printed Nov 6, 2026
Cite this page
510(k) Report. “K161158: IDS-iSYS Intact PTHN.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K161158
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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