Siemens Healthcare Diagnostics, Inc. recalls Assay: IMMULITE 2000 Intact PTH

Recalling company

Siemens Healthcare Diagnostics, Inc.

Product

Assay: IMMULITE 2000 Intact PTH; Test Code: iPT; Siemens Material Number (SMN): (1) 10381441, (2) 10381442; Catalog Number: (1) L2KPP2, (2) L2KPP6;

Reason

The potential for falsely depressed Intact PTH patient results at the low end of the assay range, less than or equal to 50 pg/mL (less than or equal to 5.3 pmol/L), when using specific lots identified by the firm on the IMMULITE 2000/IMMULITE 2000 XPi systems. The bias is observed in both serum and plasma samples.

Classification

Class II – may cause temporary or medically reversible health consequences

Recall date

Sep 22, 2025

Reported

Nov 5, 2025

Distribution

Worldwide - US Nationwide distribution in the states of AL, CA, DC, FL, ID, IN, LA, MD, NC, NJ, NY, PA, SC and the countries of Argentina, Australia, Bolivia, Bosnia Herzeg, Brazil, Bulgaria, Canada, Chile, Colombia, Cyprus, Czech Republic, Ecuador, Egypt, France, Germany, Greece, Guatemala, Honduras, Hungary, India, Iran, Israel, Italy, Kosovo, Kuwait, Latvia, Lebanon, Macedonia, Mexico, Nepal, Netherlands, P.R. China, Pakistan, Palestinian Ter, Paraguay, Peru, Poland, Portugal, Qatar, Romania, Russian Fed., Serbia, Slovakia, Slovenia, South Africa, Spain, Taiwan, Tunisia, Turkey, Turkmenistan, U.A.E., Ukraine, Uruguay, Uzbekistan.

Status

Ongoing

Quantity

3318 units (169 US, 3149 OUS)

Lot / codes

1. Siemens Material Number (SMN): 10381441; Catalog Number: L2KPP2; UDI-DI: 00630414961910; Lot Number: 385, ***Expanded 2/18/2026*** 387, 388, 389; 2. Siemens Material Number (SMN): 10381442; Catalog Number: L2KPP6; UDI-DI: 00630414961927; Lot Number: 385, ***Expanded 2/18/2026*** 387, 388, 389;

Company location

East Walpole, MA

Recall type

Voluntary: Firm initiated

Recall number

Z-0366-2026

Agency

U.S. Food and Drug Administration (FDA)

View official FDA notice ↗ Search recall number Z-0366-2026 in the FDA Enforcement Report. Also see FDA recall press releases.