Class II U.S. Food and Drug Administration

Siemens Healthcare Diagnostics, Inc. Assay: Immulite 2000 Intact PTH recall: The potential for falsely depressed Intact PTH patient results at the low end

Recall published 12 months ago

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.

The hazard: Device safety concern

This is a device enforcement record. Check whether the remedy is a correction, a software update or a removal before changing anything.

What the notice says: 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.

Why it matters: The FDA recorded an enforcement action against this device. Most device recalls are corrections rather than removals, so the device often stays in use while the manufacturer issues a fix.

Recall details

Recall number
Z-0366-2026
Published
November 5, 2025
Risk level
Class II
Status
Ongoing
Issued by
U.S. Food and Drug Administration
Brand
Siemens Healthcare Diagnostics, Inc.
Product type
Medical devices
Units affected
3318 units (169 US, 3149 OUS)
Distribution
Nationwide
Made in
United States
Lot / code info
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;
UPC codes
00630414961910, 00630414961927

Products covered by this recall

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

Check your product

The notice names 5 codes you can read straight off the package. Type the one printed on yours and the list below narrows to it.

UPC / barcode

Read the twelve digits under the barcode on the package.

  • 00630414961910
  • 00630414961927

Lot or batch code

Usually ink-stamped near the seam, the cap or the bottom of the pack.

  • 385

Model or item number

On the rating label, the box or the instruction sheet.

  • L2KPP2
  • L2KPP6

Codes are lifted verbatim from the FDA — Device enforcement notice. A code that is missing here may still be covered — the official notice is the complete list.

What to do about Device

Siemens Healthcare Diagnostics, Inc. — This is a device enforcement record. Check whether the remedy is a correction, a software update or a removal before changing anything.

  1. Match the model, catalogue, lot and serial numbers on your device against the identifiers on this page.
  2. Ask the supplier or clinic that provided it what the remedy is in your case.
  3. If you are a facility, quarantine affected stock and log the correction.
  4. Report device problems to the FDA through MedWatch.

Replacements, repairs and reimbursement

Device remedies run through the supply chain, so the route depends on who sold you the unit.

  • Contact the distributor or clinic named on your paperwork and quote the recall number on this page. They will tell you whether the remedy is a repair, a replacement or an instruction update.
  • If the device was billed to insurance or Medicare, the replacement is usually billed the same way; you should not face a second deductible for a recall.
  • Keep every piece of correspondence. If a recalled device caused harm, that paper trail is what a claim rests on.
  • Consumer-purchased devices such as monitors and test kits are normally replaced free, with return shipping paid.

Company contact: Siemens Healthcare Diagnostics, Inc. — 333 Coney St, East Walpole, MA, 02032-1516

The official notice

This page summarises a notice published by U.S. Food and Drug Administration. The agency notice is the authoritative version — read it before you act, and treat it as the final word if anything here looks different.

Open the FDA — Device enforcement record U.S. Food and Drug Administration recalls

Questions people ask about this recall

Why was Siemens Healthcare Diagnostics, Inc. medical devices recalled?

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. 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…

How do I know if I have the recalled product?

Match the codes printed on your package against the notice: UPC 00630414961910, 00630414961927; lot code 385; model number L2KPP2, L2KPP6. If the code on your package is not on that list, your unit is outside the recall.

What should I do with it right now?

Match the model, catalogue, lot and serial numbers on your device against the identifiers on this page.

Can I get my money back?

Contact the distributor or clinic named on your paperwork and quote the recall number on this page. They will tell you whether the remedy is a repair, a replacement or an instruction update.

Where was the recalled product sold?

It was distributed nationwide.

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