510(k) Report

510(k) · Cleared

Cleared

Hichem Calcium Reagent Kit

K981794510(k) TraditionalCleared Jul 29, 199869-day reviewClass II21 CFR 862.1145

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

Hichem Diagnostics · CJY Azo Dye, Calcium

Cleared on Jul 29, 1998 after a 69-day review. The FDA summary names its predicate without a number.

Decided
Jul 29, 1998
Review
69 days
Class
Class II
Product code
CJY
Recalls
None
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K981794Source: 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 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 CJY? 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 CJY device

  1. #1 K244042 Calcium2score 9.4 · 3 generations · no Class I recall
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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
*—Beckman SYNCHRON Systems Calcium Reagent, product no. 442755
Named without a submission number
—

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 CJY devices

CJY Azo Dye, Calcium: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CJY

1in 2025

2007: 22008: 22009: 12012: 12013: 12015: 12018: 12019: 12025: 1
2007high 2 (2007) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CJY

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

Recalls per year · CJY

1in 2022

2013: 42018: 22022: 1
2007high 4 (2013) · low 0 (2007)2026

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

Adverse event reports per year · CJY

59in 2025

2007: 32008: 42009: 82010: 102011: 92012: 52013: 82014: 52015: 42016: 32017: 262018: 212019: 292020: 332021: 242022: 172023: 292024: 342025: 59
2007high 59 (2025) · low 3 (2007)2025

MAUDE reports naming product code CJY, 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
20072—03
20082—04
20091—08
20100—010
20110—09
20121—05
20131—48
20140—05
20151—04
20160—03
20170—026
20181—221
20191—029
20200—033
20210—024
20220—117
20230—029
20240—034
20251—059
20260—0—

What is it indicated for?

HiChem Calcium Reagent is intended for the quantitative determination of tatal calcium In serum, plasma and urine for the diagnosls and treatment of parathyroid disease, a variety of bone diseases, chronic renal diseasc and tetany (intermittent muscular contractions or spasms).

This reagent is intended to be used in a professional setting or by trained personnel and Is not intended for home use.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K981794: Hichem Calcium Reagent Kit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K981794

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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