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2 COVID-19 antigen tests per kit
Rapid lateral-flow home test for the qualitative detection of SARS-CoV-2 nucleocapsid protein antigen in anterior nasal swab samples. Results are read in 15 minutes.
The Flowflex COVID-19 Antigen Home Test is a visually read lateral-flow immunoassay for the qualitative detection of SARS-CoV-2 nucleocapsid protein antigen in anterior nasal swab samples.
This two-test kit is intended for non-prescription home use. Individuals ages 14 and older may collect their own sample. Samples from children ages 2 through 13 must be collected by an adult.
Under the EUA labeling, the Flowflex COVID-19 Antigen Home Test is authorized for:

Always read and follow the complete package insert included with the test before beginning.
| Result | What You Will See | What It Means |
|---|---|---|
| Positive | A control line at C and any visible red or pink test line at T | SARS-CoV-2 antigen was detected. A faint T line should be interpreted as positive. |
| Negative | A control line at C and no line at T | Antigen was not detected, but the negative result is presumptive. Follow the repeat-testing instructions. |
| Invalid | No visible control line at C | The test did not work correctly. Repeat the procedure using a new swab, cassette and extraction tube. |
In the clinical study described in the EUA healthcare-provider package insert, results from symptomatic participants were compared with an FDA-authorized RT-PCR test.
| Performance Measure | Result | 95% Confidence Interval |
|---|---|---|
| Positive Percent Agreement | 93% | 78%–99% |
| Negative Percent Agreement | 100% | 95%–100% |
Positive and negative percent agreement are measures of agreement with the comparator method and should not be interpreted as guarantees of an individual result. Test performance can vary with sample collection, timing, viral levels and circulating variants.
Previous Flowflex expiration-date extensions applied only to specified lot numbers. ACON now states that all lot numbers eligible for those extensions have expired, so follow the dates printed on the current product packaging.
It detects nucleocapsid protein antigen from SARS-CoV-2 in an anterior nasal swab sample. It does not test for influenza, RSV or other pathogens.
Results should be read at 15 minutes. Do not read the result before 15 minutes or after 30 minutes.
The test may be used for children ages 2 and older. Children ages 2 through 13 must have their nasal sample collected and their test performed by an adult. Individuals ages 14 and older may collect their own sample.
The EUA-labeled version can be used by people with or without symptoms when its required repeat-testing schedule is followed. The separately 510(k)-cleared version is intended only for symptomatic individuals. Follow the instructions included with your specific kit.
Yes. Under the EUA instructions, symptomatic individuals with an initial negative result should test again after 48 hours. People without symptoms should test two additional times, at least 48 hours apart.
A negative result means SARS-CoV-2 antigen was not detected in the sample, but it does not rule out infection. Repeat testing is required, and people with continuing or worsening symptoms should contact a healthcare provider.
Each kit contains two Flowflex COVID-19 Antigen Home Tests.
Follow the expiration date printed on the kit box and cassette pouch. Do not use a test beyond its printed expiration date.
The instructions currently linked to this listing identify the product as authorized under FDA EUA210494 and not FDA cleared or approved. ACON also markets a separately labeled Flowflex COVID-19 Antigen Home Test cleared under K230828. Check the labeling included with your kit to determine which instructions apply.
Visit the manufacturer’s website for current instructions, support resources and product information.
| Weight | 0.125 lbs |
|---|---|
| Dimensions | 5 × 3 × 2 in |
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