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Data / Medical devices / Assay, Porphyrin, Spectrophotometry, Lithium

Assay, Porphyrin, Spectrophotometry, Lithium (NDW): 7 FDA-registered makers in 4 countries

7 establishments in 4 countries are registered with the FDA to make Assay, Porphyrin, Spectrophotometry, Lithium (product code NDW, Class 2, 21 CFR 862.3560). 5 of them have a 510(k) clearance or PMA approval on file and 2 have a recall event. The FDA has issued 7 510(k) clearances under this code, the latest on August 1, 2025, and lists 5 recall events (0 Class I). FDA data exported November 2, 2026.

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Product code
NDW
Device class
2
Regulation
862.3560
Medical specialty
Clinical Toxicology

Makers by country

CountryMakers
United States3
Germany2
Italy1
Switzerland1

Makers of Assay, Porphyrin, Spectrophotometry, Lithium

Registered establishments that manufacture, contract manufacture, remanufacture, reprocess or own the specification of this device, with the 510(k) clearances, PMA approvals and recalls the FDA files under each. Best documented first.

MakerLocationRole510(k) clearancesLatest clearancePMA approvalsRecall eventsClass ISource
Siemens Healthcare Diagnostics Inc.Newark, DE, United StatesManufacturer2November 4, 2011000api.fda.gov
Fisher DiagnosticsMiddletown, VA, United StatesContract manufacturer, Manufacturer1January 17, 2001000api.fda.gov
Roche Diagnostics GMBHMANNHEIM Baden-Wurttemberg, GermanyExporter to the US, Manufacturer, Repackager or relabeler, Specification developer1March 21, 2008000api.fda.gov
Sentinel CH. SPAMilano, ItalyManufacturer1August 2, 2007010api.fda.gov
Siemens Healthcare Diagnostics Inc.Tarrytown, NY, United StatesComplaint file establishment, Specification developer1June 15, 2005030api.fda.gov
Roche Diagnostics GMBHPENZBERG Bavaria, GermanyManufacturer0000api.fda.gov
Roche Diagnostics International Ltd.ROTKREUZ Zug, SwitzerlandManufacturer0000api.fda.gov

Updated August 1, 2025. Read from openFDA bulk downloads (device registration and listing, 510(k), PMA, recall and enforcement files). CC0 1.0, public domain (openFDA terms of service). The files are joined on FDA identifiers: the 510(k) and PMA numbers a registration lists, and the recalling firm's FEI for recalls. Recall class comes from the FDA enforcement report. The FDA states that openFDA data is unvalidated and is not for decisions about medical care. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.