K251543 is an FDA 510(k) clearance for the Atellica® IM TSH3-Ultra II (TSH3ULII). This device is classified as a Radioimmunoassay, Thyroid-stimulating Hormone (Class II - Special Controls, product code JLW).
Submitted by Siemens Healthcare Diagnostics, Inc. (Tarrytown, US). The FDA issued a Cleared decision on February 6, 2026, 262 days after receiving the submission on May 20, 2025.
This device falls under the Chemistry FDA review panel. Regulated under 21 CFR 862.1690.
| 510(k) Number | K251543 FDA.gov |
| FDA Decision | Cleared Substantially Equivalent - Traditional 510(k) (SESE) |
| Date Received | May 20, 2025 |
| Decision Date | February 06, 2026 |
| Days to Decision | 262 days |
| Submission Type | Traditional |
| Review Panel | Chemistry (CH) |
| Summary | Summary PDF |
| Product Code | JLW — Radioimmunoassay, Thyroid-stimulating Hormone |
| Device Class | Class II - Special Controls |
| CFR Regulation | 21 CFR 862.1690 |