CFR - Code of Federal Regulations Title 21

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For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).

[Code of Federal Regulations]

[Title 21, Volume 8]

[CITE: 21CFR862.1665]

TITLE 21--FOOD AND DRUGS

CHAPTER I--FOOD AND DRUG ADMINISTRATION
DEPARTMENT OF HEALTH AND HUMAN SERVICES

SUBCHAPTER H - MEDICAL DEVICES

PART 862 -- CLINICAL CHEMISTRY AND CLINICAL TOXICOLOGY DEVICES

Subpart B - Clinical Chemistry Test Systems

Sec. 862.1665 Sodium test system.

(a) Identification. A sodium test system is a device intended to measure sodium in serum, plasma, and urine. Measurements obtained by this device are used in the diagnosis and treatment of aldosteronism (excessive secretion of the hormone aldosterone), diabetes insipidus (chronic excretion of large amounts of dilute urine, accompanied by extreme thirst), adrenal hypertension, Addison's disease (caused by destruction of the adrenal glands), dehydration, inappropriate antidiuretic hormone secretion, or other diseases involving electrolyte imbalance.

(b) Classification. Class II.