510(k) Report

510(k) · Cleared

Recalled · 2012

Wako Autokit LP (a)

K981446510(k) TraditionalCleared Mar 9, 1999321-day reviewClass II21 CFR 866.5600Recalls 2

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

Wako Chemicals USA, Inc. · DFC Lipoprotein, Low-Density, Antigen, Antiserum, Control

Cleared on Mar 9, 1999 after a 321-day review. The FDA summary names its predicate without a number. It has been recalled 2 times.

Decided
Mar 9, 1999
Review
321 days
Class
Class II
Product code
DFC
Recalls
2
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K981446Source: 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 DFC? 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 DFC device

  1. #1 K253069 Lipoprotein (a) Molarity Assayscore 11.5 · 1 generation · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (2)

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
*—Apo-tek Lp (a) assay
Named without a submission number
—
*—Sigma’s LDL
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)

Recalls of this device

DateClassRecallRoot causeReason
Jan 30, 2012Not classifiedZ-1377-2012Device DesignIn-vitro diagnostic kit calibrator is defective and could impact patient profile for cardiovascular disease.
Jul 6, 2006Not classifiedZ-1409-06Process controlUnexpected low cholesterol results-The Cholesterol calibrator (Lp(a)) component of the in vitro diagnostic kit for cholesterol testing, has provided patient results lower than the correct value.

No ancestor or descendant has a Class I recall.

How does its category compare?

All DFC devices

DFC Lipoprotein, Low-Density, Antigen, Antiserum, Control: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DFC

1in 2025

2007: 12009: 12012: 22018: 12022: 12025: 12026 (partial year): 1
2007high 2 (2012) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DFC

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

Recalls per year · DFC

2in 2024

2012: 12024: 2
2007high 2 (2024) · low 0 (2007)2026

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

Adverse event reports per year · DFC

7in 2025

2016: 12023: 62024: 162025: 7
2007high 16 (2024) · low 0 (2007)2025

MAUDE reports naming product code DFC, 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—00
20080—00
20091—00
20100—00
20110—00
20122—10
20130—00
20140—00
20150—00
20160—01
20170—00
20181—00
20190—00
20200—00
20210—00
20221—00
20230—06
20240—216
20251—07
20261—0—

What is it indicated for?

The Wako Lp(a) assay is an in vitro turbidimetric immunoassay for the quantitative-determination of lipoprotein(a) in serum or plasma to aid in the risk assessment of coronary heart disease (CAD).

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. “K981446: Wako Autokit LP (a).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K981446

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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