The following data is part of a premarket notification filed by Mallinckrodt Critical Care with the FDA for Spac T4 Ria Test Kit.
| Device ID | K820725 |
| 510k Number | K820725 |
| Device Name: | SPAC T4 RIA TEST KIT |
| Classification | Radioimmunoassay, Total Thyroxine |
| Applicant | MALLINCKRODT CRITICAL CARE 803 N. Front St. Suite 3 Mchenry, IL 60050 |
| Product Code | CDX |
| CFR Regulation Number | 862.1700 [🔎] |
| Decision | Substantially Equivalent (SESE) |
| Type | Traditional |
| 3rd Party Reviewed | No |
| Combination Product | No |
| Date Received | 1982-03-17 |
| Decision Date | 1982-06-01 |