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Lower risk Medical device recall · FDA · Published May 13, 2024

Sight OLO CBC Test Kit Recall: Bacterial Contamination Causes False High Platelet Counts

Sight Diagnostics recalls specific lot of Sight OLO CBC Test Kit (TK1-10114) due to bacterial contamination causing false high platelet counts. Affected users should contact for remedy.

🇺🇸 FDA recall #Z-2173-2024Medical deviceSight Diagnostics ›
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Recalling firmSIGHT DIAGNOSTICS LTD23, Derekh Menakhem Begin · Tel Aviv-Yafo, Israel
✎ GovInfoNow plain-language explainer

Sight Diagnostics is recalling a specific lot of Sight OLO CBC Test Kit (TK1-1011:10114) because bacterial contamination causes false high platelet counts. This could lead to incorrect health assessments if used without the recall fix. Read more at govinfonow.com/recall/55123-sight-olo-cbc-test-kit-recall-bacterial-contamination-causes-false.

Source Summary by GovInfoNow · govinfonow.com/recall/55123-sight-olo-cbc-test-kit-recall-bacterial-contamination-causes-false · Updated August 19, 2026 · FDA enforcement record: FDA #Z-2173-2024

Cite this page

“Sight OLO CBC Test Kit Recall: Bacterial Contamination Causes False High Platelet Counts.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/55123-sight-olo-cbc-test-kit-recall-bacterial-contamination-causes-false. Based on FDA recall #Z-2173-2024 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-2173-2024%22&limit=1).

The FDA announced on May 13, 2024, that Sight Diagnostics is recalling the Sight OLO CBC Test Kit (Model TK1) due to bacterial contamination causing elevated platelet counts. Owners should contact the company for a replacement or refund.

How to tell if you have it

  • Brand: Sight Diagnostics
  • Product: Sight OLO CBC Test Kit
  • Model/Catalog Number: TK1
  • Lot Code: 10114 (TK1-10114)
  • Distribution: US (AL, FL, MS, TX, WI), Canada, Israel, Slovenia, Trinidad & Tobago

The hazard

One lot of the test kit shows a positive bias in the platelet count due to bacterial contamination, resulting in counts with a bias of 7.5 k/ul. This causes the kit to perform outside device specifications.

Context

GovInfoNow's records show Sight Diagnostics has issued three other recalls since March 17, 2021, including software errors and labeling discrepancies in 2022 and 2021. Other recent recalls of similar products include the Siemens Atellica CH Urine Albumin Recall (July 6, 2026), Beckman Coulter DxH Diluent Recall (Nov. 10, 2025), and Magellan LeadCare II Blood Lead Test Kits recall (March 13, 2026).

How to tell if you have this one

Check for the model number TK1 on the test kit and lot code 10114. The kit is sold with the Sight OLO CBC analyzer.

  • Brand
    Sight Diagnostics
  • Category
    Medical device
Based on the official FDA remedy

What to do — step by step

  1. Contact Manufacturer

    Reach out to Sight Diagnostics for instructions on how to handle the affected test kit lot.

Where it went and when

Where it was distributed

Distributed nationwide and abroad; the notice names 5 states.

Alaska: nationwideAKMaine: nationwideMEVermont: nationwideVTNew Hampshire: nationwideNHWashington: nationwideWAIdaho: nationwideIDMontana: nationwideMTNorth Dakota: nationwideNDMinnesota: nationwideMNIllinois: nationwideILWisconsin: named in the noticeWIMichigan: nationwideMINew York: nationwideNYRhode Island: nationwideRIMassachusetts: nationwideMAOregon: nationwideORNevada: nationwideNVWyoming: nationwideWYSouth Dakota: nationwideSDIowa: nationwideIAIndiana: nationwideINOhio: nationwideOHPennsylvania: nationwidePANew Jersey: nationwideNJConnecticut: nationwideCTCalifornia: nationwideCAUtah: nationwideUTColorado: nationwideCONebraska: nationwideNEMissouri: nationwideMOKentucky: nationwideKYWest Virginia: nationwideWVVirginia: nationwideVAMaryland: nationwideMDDelaware: nationwideDEArizona: nationwideAZNew Mexico: nationwideNMKansas: nationwideKSArkansas: nationwideARTennessee: nationwideTNNorth Carolina: nationwideNCSouth Carolina: nationwideSCDistrict of Columbia: nationwideDCOklahoma: nationwideOKLouisiana: nationwideLAMississippi: named in the noticeMSAlabama: named in the noticeALGeorgia: nationwideGAHawaii: nationwideHITexas: named in the noticeTXFlorida: named in the noticeFL

FDA distribution: “Worldwide - US Nationwide distribution in the states of AL, FL, MS, TX, WI and the countries of Canada, Israel, Slovenia, Trinidad & Tobago.” States read from FDA’s own wording; “not listed” means the notice does not name it.

Named in the notice: Alabama, Florida, Mississippi, Texas, Wisconsin.

Recall timeline

FDA published this recall 51 days after the firm started it.

1. Firm started the recall: May 13, 202412. FDA classified it Class II: Jun 21, 202423. Published in FDA’s Enforcement Report: Jul 3, 202432024
  1. Firm started the recall
  2. FDA classified it Class II
  3. Published in FDA’s Enforcement Report

Dates from the agency record only; steps without a date are left out.

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Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

  • Official source: FDA Recall #Z-2173-2024 (May 13, 2024) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-2173-2024 to see it in context.
  • Plain-language summary written by qwen3:4b on August 19, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
  • GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.
GovInfoNow is an independent guide. We are not FDA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA