510(k) Report

510(k) · Cleared

Cleared

Retinol Binding Protein RBP Rid Kit

K973189510(k) TraditionalCleared Sep 29, 199735-day reviewClass I21 CFR 866.5765

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

The Binding Site, Ltd. · CZS Retinol-Binding Protein, Antigen, Antiserum, Control

Cleared on Sep 29, 1997 after a 35-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Sep 29, 1997
Review
35 days
Class
Class I
Product code
CZS
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K973189Source: FDA 510(k) database · 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 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

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What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

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.

How does its category compare?

All CZS devices

CZS Retinol-Binding Protein, Antigen, Antiserum, Control: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CZS

FDA has decided no CZS device since 2007.

Median 510(k) review, days · CZS

Too few CZS 510(k)s in any year since 2007 to give a median.

Recalls per year · CZS

No recall names CZS since 2007.

Adverse event reports per year · CZS

No MAUDE report names CZS since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—

What is it indicated for?

The kit is for quantitating retinol binding protein in human urine as an aid in diagnosing kidney disease.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K973189: Retinol Binding Protein RBP Rid Kit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K973189

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026