510(k) Report

510(k) · Cleared

Cleared

Ysi Model 1500 Sport L-Lactate Analyzer

K901131510(k) TraditionalCleared Aug 27, 1990168-day reviewClass I21 CFR 862.1450

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

Yellow Springs Instrument Co., Inc. · KHP Acid, Lactic, Enzymatic Method

Cleared on Aug 27, 1990 after a 168-day review. FDA has not posted a summary or statement for it, so its predicates are not known.

Decided
Aug 27, 1990
Review
168 days
Class
Class I
Product code
KHP
Recalls
None
Predicates
0

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

FIG. 1 — Lineage of K901131Source: 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.

Planning a device in KHP? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • 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 KHP devices

KHP Acid, Lactic, Enzymatic Method: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KHP

1in 2013

2010: 12011: 22012: 22013: 1
2007high 2 (2011) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KHP

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

Recalls per year · KHP

3in 2016

2014: 12016: 3
2007high 3 (2016) · low 0 (2007)2026

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

Adverse event reports per year · KHP

9in 2025

2010: 22011: 22012: 32013: 122014: 192015: 122016: 412017: 92018: 122019: 102020: 62021: 32022: 72023: 32024: 132025: 9
2007high 41 (2016) · low 0 (2007)2025

MAUDE reports naming product code KHP, 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
20101—02
20112—02
20122—03
20131—012
20140—119
20150—012
20160—341
20170—09
20180—012
20190—010
20200—06
20210—03
20220—07
20230—03
20240—013
20250—09
20260—0—
Cite this page

510(k) Report. “K901131: Ysi Model 1500 Sport L-Lactate Analyzer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K901131

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