# K050077: Spotchem II Calcium, Magnesium, and Blood Urea Nitrogen Tests

- Pathway: 510(k) (Traditional)
- Applicant: Arkray, Inc.
- Decided: Feb 15, 2005 after 34 days
- Product code: CIC (Cresolphthalein Complexone, Calcium)
- Device class: 2
- Regulation: 21 CFR 862.1145
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Indications for use
The SpotChem II Calcium test is intended to measure the concentration of calcium in serum, plasma and whole blood. Serum calcium measurements are used in the diagnosis and treatment of parathyroid disease, a variety of bone diseases, chronic renal disease and tetany (intermittent muscular contractions or spasms). The SpotChem II Magnesium test is intended to measure the concentration of magnesium in serum, plasma and whole blood. Magnesium measurements are used in the diagnosis and treatment of hypomagnesemia (abnormally low plasma levels of magnesium) and hypermagnesemia (abnormally high plasma levels of magnesium). The SpotChem II Blood Urea Nitrogen (BUN) test is intended to measure the concentration of urea nitrogen in serum, plasma and whole blood. Blood urea nitrogen measurements are used in the diagnosis and treatment of certain renal and metabolic diseases.

Source page: https://510kreport.com/device/K050077
Methodology: https://510kreport.com/methodology
