Pilot COVID-19 At-Home Test, Reference Number 9901-NCOV-10G
Medical device recall Z-1594-2023. Published in FDA’s Enforcement Report on May 31, 2023.
- FDA Class I
No Watch here, and no alerts: openFDA asks that its enforcement data “should not be used as a method to collect data to issue alerts to the public, nor should it be used to track the lifecycle of a recall” (openFDA). For FDA’s own recall emails, subscribe at FDA. FDA’s own record is on accessdata.fda.gov.
The short answer
Published in FDA’s Enforcement Report on May 31, 2023. Copied from openFDA on Oct 20, 2026.
- Class I FDA’s most serious class (needs attention)
- Ongoing its status, in FDA’s file
- Nationwide FDA’s word for where it went
- 2,712,767 kits how much, in FDA’s words
Every line below is in FDA’s own words, with its source beside it. FDA’s terms are explained in FDA’s own words.
How serious is it, by FDA’s class?
Class I, the most serious of FDA’s three classes.
“Dangerous or defective products that predictably could cause serious health problems or death. Examples include: food found to contain botulinum toxin, food with undeclared allergens, a label mix-up on a lifesaving drug, or a defective artificial heart valve.”
openFDA, in plain words, its enforcement report fields.
“Class I is a situation in which there is a reasonable probability that the use of, or exposure to, a violative product will cause serious adverse health consequences or death.”
FDA’s rule, 21 CFR 7.3(m)(1), eCFR.
What these words mean is quoted from openFDA’s field reference and 21 CFR 7.3.
What’s wrong with it?
The liquid buffer component in the affected test kit lots was determined to have bacterial contamination. User may notice a slight odor when the buffer is brought close to the nose.
FDA, Device recall enforcement reports. Released Oct 14, 2026. Updated weekly.
Which ones are recalled?
Pilot COVID-19 At-Home Test, Reference Number 9901-NCOV-10G, Catalog Number 99COV200L-EN02, UPC Code: 887473000207 (EAN-13: 08800111707728)
2,712,767 kits, in FDA’s words.
FDA, Device recall enforcement reports. Released Oct 14, 2026. Updated weekly.
Codes to check against yours
Lot Numbers: 53K41T5T1 53K41X1T1 53K41X2T1 53K41X3T1 53K4211T1 53K4212T1 53K4213T1 53K4221T1 53K4222T1 53K4223T1 53K4224T1 53K4225T1 53K4231T1 53K4232T1 53K4233T1 53K4261T1 53K4262T1 53K4271T1 53K4272T1 53K4273T1 53K4274T1 53K4291T1…
Every code shown here, 452 characters
Lot Numbers: 53K41T5T1 53K41X1T1 53K41X2T1 53K41X3T1 53K4211T1 53K4212T1 53K4213T1 53K4221T1 53K4222T1 53K4223T1 53K4224T1 53K4225T1 53K4231T1 53K4232T1 53K4233T1 53K4261T1 53K4262T1 53K4271T1 53K4272T1 53K4273T1 53K4274T1 53K4291T1 53K4292T1 53K42A1T1 53K42A2T1 53K42A3T1 53K42E1T1 53K42G1T1 53K42G2T1 53K42H1T1 53K42H2T1 53K42L1T1 53K42L2T1 53K4361AC 53K4362AC 53K4392AC 53K38N3T1 53K38N2T1 53K38N1T1 53K38N4T1 53K38N5T1 53K38P1T1 53K38P2T1 53K38P3T1
Copied exactly as FDA lists them: lot and serial numbers, dates and other codes on the product or its label.
Barcodes and drug codes
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UPC
887473000207
As FDA’s description and codes give them; the UPCs written as digits only.
Where did it go?
FDA’s words for the “general area of initial distribution”: where the firm first shipped it.
US Nationwide.
These words name no state.
What FDA means by nationwide
“The term “nationwide” is defined to mean the fifty states or a significant portion. Note that subsequent distribution by the consignees to other parties may not be included.”
openFDA, its enforcement report fields.
What these words mean is quoted from openFDA’s field reference and 21 CFR 7.3.
Is it still going on?
Ongoing, in FDA’s file.
“A recall which is currently in progress.”
openFDA, on “On-Going”, its enforcement report fields.
What these words mean is quoted from openFDA’s field reference and 21 CFR 7.3.
- The firm began the recall on Mar 31, 2023.
- FDA classified it on May 23, 2023.
- FDA’s Enforcement Report published it on May 31, 2023.
FDA, Device recall enforcement reports. Released Oct 14, 2026. Updated weekly.
Who is recalling it?
- SD Biosensor, Inc., of Suwon, Korea (the Republic of).
- Who began it, in FDA’s words: Voluntary: Firm initiated.
- How the firm first told its customers: Letter.
FDA, Device recall enforcement reports. Released Oct 14, 2026. Updated weekly.
What this record can’t tell you
- Whether your own one is affected: compare the codes, dates and numbers above with yours. When unsure, ask the firm or the store.
- Where it went after the firm’s first shipments. FDA’s words cover the firm’s initial distribution, and, in FDA’s words, “subsequent distribution by the consignees to other parties may not be included.”
- How many have been returned, corrected or destroyed: FDA’s report doesn’t say.
- Whether anyone was hurt or fell ill: the report doesn’t say.
- How current it is: openFDA publishes FDA’s Enforcement Report weekly, after FDA does, and a firm can announce a recall weeks before it appears there. openFDA’s own caution: “This data should not be used as a method to collect data to issue alerts to the public, nor should it be used to track the lifecycle of a recall.”
- A product with no recall here isn’t safe by that: FDA’s report lists the recalls FDA classified, and when.
Hearth Record wrote these lines; the quotations are FDA’s.
Sources
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U.S. Food and Drug Administration, Device recall enforcement reports.
Released Oct 14, 2026 and checked Oct 20, 2026. Updated weekly. Public domain (CC0 1.0, openFDA). FDA asks that nothing suggest it endorses this site.
Recalls of food, medicines, medical devices, pet food and animal drugs are from the U.S. Food and Drug Administration (FDA). FDA does not endorse Hearth Record. openFDA: “Do not rely on openFDA to make decisions regarding medical care.” Copied on Oct 20, 2026.