Reported Reactions

Devices › Coronavirus antigen detection test system.

Device brand name · Lateral flow immunoassay ivd of covid-19

Binax Now Covid-19 Ag Card: medical device reports filed with FDA

422 reports name it, 2020–2021. Manufacturer given most often on reports: Abbott Diagnostics Scarborough. Product code QKP.

422
device reports naming the brand
0% of all MAUDE reports · about 75 a year
0
reports, 12 months to August 2026
0 in the 12 months before
94.1%
classified as malfunction
98.1% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

FDA's MAUDE database holds 422 reports that name the brand "Binax Now Covid-19 Ag Card" (lateral flow immunoassay ivd of covid-19), received between November 2020 and December 2021; the manufacturer given most often on reports is Abbott Diagnostics Scarborough. Spellings of one product vary from report to report.

0 reports arrived in the 12 months to August 2026, and none in the 12 months before. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases. The event types recorded are malfunction (94.1%) and injury (5.9%); across all coronavirus antigen detection test system. reports (product code QKP) death is recorded in 0% and malfunction in 98.1%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are false positive result (67.5%), false negative result (19.2%) and non reproducible results (6.6%). The patient problems coded most often are epistaxis, blurred vision and burning sensation. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Reports by month, five years

01938Sep 2021: 38Oct 2021: 21Nov 2021: 24Dec 2021: 132022Jan 2022: 0Feb 2022: 0Mar 2022: 0Apr 2022: 0May 2022: 0Jun 2022: 0Jul 2022: 0Aug 2022: 0Sep 2022: 0Oct 2022: 0Nov 2022: 0Dec 2022: 02023Jan 2023: 0Feb 2023: 0Mar 2023: 0Apr 2023: 0May 2023: 0Jun 2023: 0Jul 2023: 0Aug 2023: 0Sep 2023: 0Oct 2023: 0Nov 2023: 0Dec 2023: 02024Jan 2024: 0Feb 2024: 0Mar 2024: 0Apr 2024: 0May 2024: 0Jun 2024: 0Jul 2024: 0Aug 2024: 0Sep 2024: 0Oct 2024: 0Nov 2024: 0Dec 2024: 02025Jan 2025: 0Feb 2025: 0Mar 2025: 0Apr 2025: 0May 2025: 0Jun 2025: 0Jul 2025: 0Aug 2025: 0Sep 2025: 0Oct 2025: 0Nov 2025: 0Dec 2025: 02026Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 0Jul 2026: 0Aug 2026: 0

Reports by the month FDA received them. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases.

Event type and report source

Event type, as classified on the report

Death0%0
Injury5.9%25
Malfunction94.1%397
Other0%0
Not given0%0

Who filed the report

Manufacturer report99.5%420
Voluntary report0.5%2
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 26,765 reports carrying product code QKP. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
False positive result28567.5%53.2%
False negative result8119.2%21.2%
Non reproducible results286.6%1.7%
Incorrect, inadequate or imprecise result or readings102.4%8.8%
Improper or incorrect procedure or method20.5%0.5%
Insufficient device problem information20.5%0.5%

FDA's device problem codes as entered on the report; one report can carry several. Generic codes such as "no apparent adverse event" are left out.

Patient problems coded

Patient problem (FDA code)ReportsShare
Epistaxisnosebleed30.7%
Blurred vision20.5%
Burning sensationa burning feeling20.5%
Hypersensitivity/allergic reaction20.5%
Red eye(s)20.5%
Eye burn10.2%
Foreign body sensation in eye10.2%
Headachehead pain10.2%

Patient problem codes are present mainly in reports filed since 2019 and are often blank.

In context

MeasureBinax Now Covid-19 Ag CardProduct code QKPAll MAUDE reports
Reports42226,76526,136,888
Share of that pool—1.6%0%
Classified as death, per 1,000 reports009
Classified as injury5.9%1.7%36.2%
Classified as malfunction94.1%98.1%62.3%
Filed by the manufacturer99.5%94.9%94.9%

Shares are of reports, not of devices in use. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Other brands with product code QKP

BrandReportsLatest 12 monthsClassified as death
Quickvue At-Home Otc Covid-19 Test4,714300%
Sofia Sars Antigen Fia Ns Swab3,86520%
Ellume Covid-19 Home Test2,99900%
Lumiradx Sars-Cov-2 Ag Test Strip Kit2,15000%
Binaxnow Covid-19 Ag Card2,07600%
Bd Rapid Detection Of Sars-Cov-2 Veritor1,58100%
Flowflex COVID-19 Antigen Home Test1,3121720%
Binaxnow Covid-19 Ag Self Test 2ct1,298530.1%
Quickvue Sars Antigen Test78500%
Binaxnow Covid-19 Antigen Self Test62500%
Bd Rapid Detection Of Sars-Cov-2 Veritor Assay52000%
Binaxnow Covid-19 Antigen Self-Test48700%
Ellume Covid-19 Home Test Kit47000%
Ihealth362130%
Bd Veritor At-Home Covid-19 Test27600%

Ordered by report count for navigation only. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA also states that "common products may have a higher number of adverse events due to the higher total number of people using the product."

Questions about Binax Now Covid-19 Ag Card reports

How many FDA reports name Binax Now Covid-19 Ag Card?

422 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 0 in the latest 12 months.

What kinds of events are reported?

malfunction (94.1%) and injury (5.9%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

false positive result (67.5%), false negative result (19.2%), non reproducible results (6.6%), incorrect, inadequate or imprecise result or readings (2.4%) and improper or incorrect procedure or method (0.5%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (99.5%) and voluntary reports (0.5%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that Binax Now Covid-19 Ag Card was at fault?

No. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA adds that "a causal relationship cannot be established between product and reactions listed in a report."

How do I report a problem with a medical device?

Through FDA MedWatch (Form FDA 3500 for health professionals and consumers), or to the manufacturer. See the guide on how to report.

Where this comes from. Counts are built from the openFDA Device Adverse Event (MAUDE) bulk export released 28 Sep 2026, which holds reports FDA received through 31 Aug 2026. Brand, generic and manufacturer names are as written on the reports; product code names come from FDA's device classification. A report counts here when any device it lists carries this brand name after punctuation and capitalisation are normalised. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.