510(k) Report

510(k) · Cleared

Cleared

Ids SHBG

K190121510(k) TraditionalCleared Jun 17, 2019143-day reviewClass I21 CFR 862.1680

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Immunodiagnostic Systems, Ltd. · CDZ Radioimmunoassay, Testosterones And Dihydrotestosterone

Cleared on Jun 17, 2019 as substantially equivalent to K151986 (Siemens Healthcare Diagnostics, Inc., 2016) after a 143-day review. Its family tree reaches back 6 generations to 1992.

Decided
Jun 17, 2019
Review
143 days
Class
Class I
Product code
CDZ
Recalls
None
Predicates
1

Its longest line of descent runs back 6 generations to K924862 (1992). 16 ancestors in all, the oldest K924863 (1992). No later device cites it as a predicate yet.

  1. Root · 6 generations backK924862 Aia-Pack HCG Calibration Verification Test SetTosoh Medics, Inc. · 1992
  2. 5 generations backK963147 Elecsys Calcheck TSHBoehringer Mannheim Corp. · 1996
  3. 4 generations backK974383 Elecsys Calcheck Vitamin B12Boehringer Mannheim Corp. · 1997
  4. 3 generations backK060755 Elecsys Vitamin B12 Immunoassay, Calset II and CalcheckRoche Diagnostics Corp. · 2006
  5. 2 generations backK140505 Advia Centaur Vitamin B12 Master Curve Material, Total HCG Master…Siemens Healthcare Diagnostics, Inc. · 2014
  6. 1 generation backK151986 ADVA Centaur Testosterone II (TSTII), ADVA Centaur Testosterone II…Siemens Healthcare Diagnostics, Inc. · 2016
  7. This deviceK190121 Ids SHBGImmunodiagnostic Systems, Ltd. · 2019
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K924862Aia-Pack HCG Calibration Verification Test SetTosoh Medics, Inc.1992—
−5K963147Elecsys Calcheck TSHBoehringer Mannheim Corp.1996—
−4K974383Elecsys Calcheck Vitamin B12Boehringer Mannheim Corp.1997—
−3K060755Elecsys Vitamin B12 Immunoassay, Calset II and CalcheckRoche Diagnostics Corp.2006—
−2K140505Advia Centaur Vitamin B12 Master Curve Material, Total HCG Master Curve…Siemens Healthcare Diagnostics, Inc.2014—
−1K151986ADVA Centaur Testosterone II (TSTII), ADVA Centaur Testosterone II (TSTII)…Siemens Healthcare Diagnostics, Inc.2016—
0 (this device)K190121Ids SHBGImmunodiagnostic Systems, Ltd.2019—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210
199410
199610
199730
200110
200910
201020
FIG. 1 — Lineage of K190121, 1992–2019Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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 CDZ? 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 CDZ device

  1. #1 K252728 IDS-iSYS Total Testosteronescore 11.8 · 3 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K151986ADVA Centaur Testosterone II (TSTII), ADVA Centaur Testosterone II (TSTII) Master Curve…
Summary page 5
…mmercial distribution intended for similar uses. We claim equivalency to the currently marketed Siemens ADVIA Centaur SHBG (k151986). Device Description Description for IDS-iSYS SHBG assay The IDS SHBG assay is an…
Siemens Healthcare Diagnostics, Inc.2016—

Also cleared against K151986: 1 other device →

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 27 years and passes through 5 companies; a new generation was cleared every 3.7 years on median.
  • 1 of the 16 ancestors has a recall of any class.
  • 1 other device also cites its predicate K151986.

How does its category compare?

All CDZ devices

CDZ Radioimmunoassay, Testosterones And Dihydrotestosterone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · CDZ

2in 2024

2007: 12009: 12010: 22011: 22012: 12013: 12014: 12015: 22016: 42018: 12019: 42020: 12022: 12023: 12024: 22026 (partial year): 1
2007high 4 (2016) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CDZ

141in 2019

2016: 276 days median2019: 141 days median
2007high 276 (2016) · low 141 (2019)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · CDZ

1in 2025

2010: 12013: 12018: 12022: 12024: 12025: 12026 (partial year): 1
2007high 1 (2010) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · CDZ

17in 2025

2007: 62008: 32009: 12010: 12011: 192012: 92013: 72014: 102015: 72016: 52017: 122018: 52019: 32020: 122021: 72022: 32023: 102024: 112025: 17
2007high 19 (2011) · low 1 (2009)2025

MAUDE reports naming product code CDZ, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20071—06
20080—03
20091—01
20102—11
20112—019
20121—09
20131—17
20141—010
20152—07
2016427605
20170—012
20181—15
2019414103
20201—012
20210—07
20221—13
20231—010
20242—111
20250—117
20261—1—

What is it indicated for?

The IDS SHBG assay is an in vitro diagnostic device intended for the quantitative determination of SHBG in human serum or plasma on the IDS System. Results are to be used as an aid in the diagnosis of androgen disorders

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K190121: Ids SHBG.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K190121

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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