510(k) · Cleared
ClearedUnicap Thyroid Peroxidase Igg
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Pharmacia & Upjohn Co. · JZO System, Test, Thyroid Autoantibody
Cleared on Jul 7, 1998 after a 67-day review. The FDA summary names its predicate without a number. 1 later device descends from it.
- Decided
- Jul 7, 1998
- Review
- 67 days
- Class
- Class II
- Product code
- JZO
- Recalls
- None
- Predicates
- 0
1 later device descends from it, 1 citing it directly.
- This deviceK981930 Unicap Thyroid Peroxidase IggPharmacia & Upjohn Co. · 1998
- Descendant · cites it directly · 0 of its ownK072661 Immunocap Thyrlobulin ImmunocapPhadia US, Inc. · 2007
Most influential descendants
Showing 1 of 1 · See all- K072661Immunocap Thyrlobulin ImmunocapPhadia US, Inc. · 2007 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K981930 | Unicap Thyroid Peroxidase Igg | Pharmacia & Upjohn Co. | 1998 | — |
| +1 | K072661 | Immunocap Thyrlobulin Immunocap | Phadia US, Inc. | 2007 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2007 | 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 JZO? 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 JZO device
- #1 K250250 ADVIA Centaur Anti-Thyroid Peroxidase IIscore 10.5 · 2 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (2)
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 |
|---|---|---|---|
| * | — | Varelisa Thyroglobulin Antibodies Assay Named without a submission number | |
| * | — | Varelisa Thyroid Peroxidase Antibodies Assay Named without a submission number |
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 |
|---|---|---|---|
| K072661 | Immunocap Thyrlobulin Immunocap | 2007 | 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?
- Of its descendants, K072661 (Phadia US, Inc., 2007) has gone furthest, with 0 descendants of its own.
How does its category compare?
All JZO devicesJZO System, Test, Thyroid Autoantibody: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · JZO
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · JZO
Too few JZO 510(k)s in any year since 2007 to give a median.
Recalls per year · JZO
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JZO
44in 2025
MAUDE reports naming product code JZO, 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 | 2 | — | 0 | 0 |
| 2009 | 2 | — | 0 | 0 |
| 2010 | 1 | — | 0 | 1 |
| 2011 | 0 | — | 0 | 5 |
| 2012 | 0 | — | 0 | 4 |
| 2013 | 0 | — | 0 | 4 |
| 2014 | 0 | — | 0 | 2 |
| 2015 | 0 | — | 0 | 4 |
| 2016 | 2 | — | 0 | 8 |
| 2017 | 0 | — | 0 | 12 |
| 2018 | 0 | — | 0 | 35 |
| 2019 | 0 | — | 0 | 39 |
| 2020 | 1 | — | 0 | 17 |
| 2021 | 0 | — | 0 | 19 |
| 2022 | 0 | — | 0 | 25 |
| 2023 | 2 | — | 0 | 33 |
| 2024 | 1 | — | 0 | 29 |
| 2025 | 1 | — | 1 | 44 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
UniCAP Thyroid Peroxidase ImmunoCAP™ is a device for the in vitro quantitative measurement of igG antibodies specific for Thyroid Peroxidase (TPQ) in human serum and plasma. UniCAP Thyroid Peroxidase ImmunoCAP is intended to be used with the instrument UniCAP together with reagents as stated in the Directions For Use provided with UniCAP Specific IgG. It is intended for in vitro diagnostic use as an aid in the clinical diagnosis of certain thyroid…
Read the full statement (181 words)
UniCAP Thyroid Peroxidase ImmunoCAP™ is a device for the in vitro quantitative measurement of igG antibodies specific for Thyroid Peroxidase (TPQ) in human serum and plasma. UniCAP Thyroid Peroxidase ImmunoCAP is intended to be used with the instrument UniCAP together with reagents as stated in the Directions For Use provided with UniCAP Specific IgG. It is intended for in vitro diagnostic use as an aid in the clinical diagnosis of certain thyroid diseases, such as autoimmune thyroiditis and Graves' Disease and is to be used in clinical laboratories, as well as, physician office laboratories.
UniCAP Specific 1gG is an in vitro test system for the quantitative measurement of antigen specific IgG antibodies. The corresponding antigen for the specific antibody to be measured by UniCAP Specific IgG is bound to the Antigen immunoCAP solid phase component of the UniCAP Specific IgG System. UniCAP Specific IgG assay is to be used with the instrument UniCAP. It is intended for in vitro diagnostic use in conjunction with other clinical findings, and is to be used in clinical laboratories, as well as physician office laboratories.
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/K981930 · printed Nov 6, 2026
Cite this page
510(k) Report. “K981930: Unicap Thyroid Peroxidase Igg.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K981930
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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