← Product Code [CDX](/submissions/CH/subpart-b%E2%80%94clinical-chemistry-test-systems/CDX) · K772170

# EMIT CENTRIFICHEM THYROXINE ASSAY (K772170)

_Syva Co. · CDX · Dec 22, 1977 · Clinical Chemistry · SESE_

**Canonical URL:** https://fda.innolitics.com/submissions/IM/subpart-b%E2%80%94clinical-chemistry-test-systems/CDX/K772170

## Device Facts

- **Applicant:** Syva Co.
- **Product Code:** [CDX](/submissions/CH/subpart-b%E2%80%94clinical-chemistry-test-systems/CDX.md)
- **Decision Date:** Dec 22, 1977
- **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/IM/subpart-b%E2%80%94clinical-chemistry-test-systems/CDX/K772170](https://fda.innolitics.com/submissions/IM/subpart-b%E2%80%94clinical-chemistry-test-systems/CDX/K772170)

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