510(k) Report

510(k) · Cleared

Cleared

Control Diagnostics Platelet Control

K821851510(k) TraditionalCleared Sep 2, 198271-day reviewClass II21 CFR 864.8175

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

Immunogenetics · KRY Calibrator For Platelet Counting

Cleared on Sep 2, 1982 after a 71-day review. FDA has not posted a summary or statement for it, so its predicates are not known.

Decided
Sep 2, 1982
Review
71 days
Class
Class II
Product code
KRY
Recalls
None
Predicates
0

FDA has not posted a summary or statement for it, so its predicates are not known.

FIG. 1 — Lineage of K821851Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

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  • Recall history across each candidate’s familyin the report
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What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

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 KRY devices

KRY Calibrator For Platelet Counting: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KRY

FDA has decided no KRY device since 2007.

Median 510(k) review, days · KRY

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

Recalls per year · KRY

No recall names KRY since 2007.

Adverse event reports per year · KRY

1in 2012

2011: 52012: 1
2007high 5 (2011) · low 0 (2007)2025

MAUDE reports naming product code KRY, 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
20070—00
20080—00
20090—00
20100—00
20110—05
20120—01
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—
Cite this page

510(k) Report. “K821851: Control Diagnostics Platelet Control.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K821851

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Record history
  • FDA decision record loaded May 2, 2026
  • Page last updated Nov 3, 2026