← Product Code [CDX](/submissions/CH/subpart-b%E2%80%94clinical-chemistry-test-systems/CDX) · K831533

# MAGIC T4 125I RADIOIMMUNOASSAY (K831533)

_Corning Medical & Scientific · CDX · Jun 30, 1983 · Clinical Chemistry · SESE_

**Canonical URL:** https://fda.innolitics.com/submissions/CH/subpart-b%E2%80%94clinical-chemistry-test-systems/CDX/K831533

## Device Facts

- **Applicant:** Corning Medical & Scientific
- **Product Code:** [CDX](/submissions/CH/subpart-b%E2%80%94clinical-chemistry-test-systems/CDX.md)
- **Decision Date:** Jun 30, 1983
- **Decision:** SESE
- **Submission Type:** Traditional
- **Regulation:** 21 CFR 862.1700
- **Device Class:** Class 2
- **Review Panel:** Clinical Chemistry

## Regulatory Identification

A total thyroxine test system is a device intended to measure total (free and protein bound) thyroxine (thyroid hormone) in serum and plasma. Measurements obtained by this device are used in the diagnosis and treatment of thyroid diseases.

## Special Controls

*Classification.* Class II (special controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 862.9.

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**Source:** [https://fda.innolitics.com/submissions/CH/subpart-b%E2%80%94clinical-chemistry-test-systems/CDX/K831533](https://fda.innolitics.com/submissions/CH/subpart-b%E2%80%94clinical-chemistry-test-systems/CDX/K831533)

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