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Lower risk Medical device recall · FDA · Published November 12, 2021

Siemens ACUSON Sequoia Ultrasound System Software VA25A/B Recall: Measurement Error Risk

Recall of Siemens ACUSON Sequoia ultrasound systems with software version VA25A/B due to measurement error in 2D trace tool potentially causing misdiagnosis. Affected units have specific serial numbers listed.

🇺🇸 FDA recall #Z-0547-2022Medical deviceSiemens Medical Solutions ›
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Recalling firmSiemens Medical Solutions USA, Inc.22010 SE 51st St · Issaquah, WA 98029-7298
✎ GovInfoNow plain-language explainer

Siemens is recalling ACUSON Sequoia ultrasound imaging systems with software version VA25A/B because a calculation error in the 2D trace tool may overestimate the circumference of measurements, leading to potential misdiagnosis of patient conditions. This recall affects specific units with listed serial numbers. Read more at govinfonow.com/recall/61545-siemens-acuson-sequoia-ultrasound-system-software-va25a-b-recall-measurement.

Source Summary by GovInfoNow · govinfonow.com/recall/61545-siemens-acuson-sequoia-ultrasound-system-software-va25a-b-recall-measurement · Updated August 19, 2026 · FDA enforcement record: FDA #Z-0547-2022

Cite this page

“Siemens ACUSON Sequoia Ultrasound System Software VA25A/B Recall: Measurement Error Risk.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/61545-siemens-acuson-sequoia-ultrasound-system-software-va25a-b-recall-measurement. Based on FDA recall #Z-0547-2022 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-0547-2022%22&limit=1).

The FDA announced on Nov. 12, 2021, that Siemens Medical Solutions USA, Inc. is recalling ACUSON Sequoia Ultrasound Imaging Systems with software version VA25A/B due to a calculation error in the 2D trace tool that may result in patient misdiagnosis. Owners should contact Siemens for remedy details.

How to tell if you have it

  • Brand: Siemens Medical Solutions
  • Product: ACUSON Sequoia Ultrasound Imaging System with Software Version VA25A/B
  • System Serial Numbers: 800101 through 802972 (specific codes listed in record)
  • Quantity: 1161 systems

The hazard

The recall is due to a calculation error in the measurement when using the 2D trace (manual trace) tool. The trace circumference value is overestimated and may potentially result in misdiagnosis of a patient's condition.

Context

GovInfoNow's records show Siemens Medical Solutions USA, Inc. has 182 other recalls on record since June 6, 2017. Recent similar product recalls include the PIE Medical Imaging 3mensio Workstation Software Recall (May 7, 2026), the Philips EPIQ Elite Ultrasound System Recall (Aug. 7, 2026), and the Intelerad InteleShare Software Recall (Nov. 18, 2025).

How to tell if you have this one

Check if your ACUSON Sequoia ultrasound system has software version VA25A/B. Affected units have specific serial numbers listed in the recall notice, including 800101 through 802999.

  • Brand
    Siemens Medical Solutions
  • Category
    Medical device
Based on the official FDA remedy

What to do — step by step

  1. Check Software Version

    Verify your system's software version by checking the device settings or documentation. If it is VA25A/B, it is affected.

Where it went and when

Where it was distributed

Distributed nationwide and abroad; the notice names 43 states.

Alaska: named in the noticeAKMaine: nationwideMEVermont: nationwideVTNew Hampshire: named in the noticeNHWashington: named in the noticeWAIdaho: nationwideIDMontana: nationwideMTNorth Dakota: named in the noticeNDMinnesota: named in the noticeMNIllinois: named in the noticeILWisconsin: named in the noticeWIMichigan: named in the noticeMINew York: named in the noticeNYRhode Island: nationwideRIMassachusetts: nationwideMAOregon: named in the noticeORNevada: named in the noticeNVWyoming: named in the noticeWYSouth Dakota: named in the noticeSDIowa: named in the noticeIAIndiana: named in the noticeINOhio: named in the noticeOHPennsylvania: named in the noticePANew Jersey: named in the noticeNJConnecticut: nationwideCTCalifornia: named in the noticeCAUtah: named in the noticeUTColorado: named in the noticeCONebraska: named in the noticeNEMissouri: named in the noticeMOKentucky: named in the noticeKYWest Virginia: named in the noticeWVVirginia: named in the noticeVAMaryland: named in the noticeMDDelaware: named in the noticeDEArizona: named in the noticeAZNew Mexico: named in the noticeNMKansas: named in the noticeKSArkansas: named in the noticeARTennessee: named in the noticeTNNorth Carolina: named in the noticeNCSouth Carolina: named in the noticeSCDistrict of Columbia: nationwideDCOklahoma: named in the noticeOKLouisiana: named in the noticeLAMississippi: named in the noticeMSAlabama: named in the noticeALGeorgia: named in the noticeGAHawaii: named in the noticeHITexas: named in the noticeTXFlorida: named in the noticeFLPuerto Rico: named in the noticePR

FDA distribution: “Worldwide distribution - U.S. Nationwide distribution in the states of AL, AK, AZ, AR, CA, CO, CN, DE, FL, GA, HI, IL, IN, IA, KS, KY, LA, MD, MI, MN, MS, MO, NE, NV, NH, NJ, NM, NY, NC, ND, OH, OK, OR, PA, Puerto Rico, SC, SD, TN, TX, UT,…” States read from FDA’s own wording; “not listed” means the notice does not name it.

Named in the notice: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Delaware, Florida, Georgia, Hawaii, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Mississippi, Missouri, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin, Wyoming.

Recall timeline

FDA published this recall 3 months after the firm started it.

1. Firm started the recall: Nov 12, 202112. FDA classified it Class II: Feb 1, 202223. Published in FDA’s Enforcement Report: Feb 9, 2022320212022
  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-0547-2022 (November 12, 2021) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-0547-2022 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