Reported Reactions

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Device brand name · Coronavirus antigen detection test system

Binaxnow Covid-19 Ag Self Test 2ct: medical device reports filed with FDA

1,298 reports name it, 2022–2026. Manufacturer given most often on reports: Abbott Diagnostics Scarborough. Product code QKP.

1,298
device reports naming the brand
0% of all MAUDE reports · about 339 a year
53
reports, 12 months to August 2026
103 in the 12 months before
96.5%
classified as malfunction
98.1% across the product code
0.1%
classified as death, as reported
1 reports · not verified by FDA

FDA's MAUDE database holds 1,298 reports that name the brand "Binaxnow Covid-19 Ag Self Test 2ct" (coronavirus antigen detection test system), received between September 2022 and June 2026; the manufacturer given most often on reports is Abbott Diagnostics Scarborough. Spellings of one product vary from report to report.

53 reports arrived in the 12 months to August 2026, down 49% from 103 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 (96.5%), injury (3.4%) and death (0.1%); 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 negative result (57.8%), false positive result (23.4%) and non reproducible results (8%). The patient problems coded most often are burning sensation, eye pain and red eye(s). 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

057114Sep 2021: 0Oct 2021: 0Nov 2021: 0Dec 2021: 02022Jan 2022: 0Feb 2022: 0Mar 2022: 0Apr 2022: 0May 2022: 0Jun 2022: 0Jul 2022: 0Aug 2022: 0Sep 2022: 1Oct 2022: 36Nov 2022: 114Dec 2022: 582023Jan 2023: 107Feb 2023: 76Mar 2023: 67Apr 2023: 45May 2023: 69Jun 2023: 18Jul 2023: 17Aug 2023: 36Sep 2023: 39Oct 2023: 70Nov 2023: 57Dec 2023: 412024Jan 2024: 94Feb 2024: 60Mar 2024: 27Apr 2024: 12May 2024: 18Jun 2024: 9Jul 2024: 33Aug 2024: 38Sep 2024: 17Oct 2024: 13Nov 2024: 13Dec 2024: 142025Jan 2025: 14Feb 2025: 4Mar 2025: 6Apr 2025: 7May 2025: 4Jun 2025: 5Jul 2025: 2Aug 2025: 4Sep 2025: 10Oct 2025: 13Nov 2025: 5Dec 2025: 52026Jan 2026: 5Feb 2026: 4Mar 2026: 3Apr 2026: 4May 2026: 2Jun 2026: 2Jul 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.

By year received

03216422022: 20920222023: 64220232024: 34820242025: 7920252026: 202026

Event type and report source

Event type, as classified on the report

Death0.1%1
Injury3.4%44
Malfunction96.5%1,253
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%1,298
Voluntary report0%0
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 negative result75057.8%21.2%
False positive result30423.4%53.2%
Non reproducible results1048%1.7%
Improper or incorrect procedure or method997.6%0.5%
Device handling problem20.2%0%
Incorrect, inadequate or imprecise result or readings20.2%8.8%
Insufficient device problem information20.2%0.5%
Patient device interaction problem20.2%0%
Contamination10.1%0%
Fracturea broken bone10.1%0%
Fumes or vapors10.1%0%
Imprecise or erratic results10.1%1.9%
Material separation10.1%0%
Output problem10.1%0.1%
Poor quality image10.1%0%

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
Burning sensationa burning feeling131%
Eye paineye pain120.9%
Red eye(s)110.8%
Eye irritationeye irritation80.6%
Epistaxisnosebleed30.2%
Headachehead pain30.2%
Skin burning sensationburning skin30.2%
Skin inflammation/ irritation30.2%
Blurred vision20.2%
Diarrhea20.2%
Fever20.2%
Hyporesponsive to stimuli20.2%
Nauseafeeling sick20.2%
Abdominal painstomach or belly pain10.1%
Conjunctivitispink eye10.1%

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

In context

MeasureBinaxnow Covid-19 Ag Self Test 2ctProduct code QKPAll MAUDE reports
Reports1,29826,76526,136,888
Share of that pool—4.8%0%
Classified as death, per 1,000 reports109
Classified as injury3.4%1.7%36.2%
Classified as malfunction96.5%98.1%62.3%
Filed by the manufacturer100%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%
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%
Binax Now Covid-19 Ag Card42200%
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 Binaxnow Covid-19 Ag Self Test 2ct reports

How many FDA reports name Binaxnow Covid-19 Ag Self Test 2ct?

1,298 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 53 in the latest 12 months.

What kinds of events are reported?

malfunction (96.5%), injury (3.4%) and death (0.1%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

false negative result (57.8%), false positive result (23.4%), non reproducible results (8%), improper or incorrect procedure or method (7.6%) and device handling problem (0.2%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (100%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that Binaxnow Covid-19 Ag Self Test 2ct 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.