# K150270: ST AIA-PACK 25-OH Vitamin D, ST AIA-PACK 25-OH Vitamin D Calibrator Set, AIA-PACK 25-OH Vitamin D Control Set, and ST AIA-PACK 25-OH Vitamin D Pretreatment Set

- Pathway: 510(k) (Traditional)
- Applicant: Tosoh Bioscience, Inc.
- Decided: Oct 26, 2015 after 264 days
- Product code: MRG (System, Test, Vitamin D)
- Device class: 2
- Regulation: 21 CFR 862.1825
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K953567 (1996). 3 ancestors in all.
No later device cites it as a predicate yet.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K123131: ST Aia-Pack 25-OH Vitamin D, ST Aia-Pack 25-OH Vitamin D Calibrator Set, Aia-Pack 25-OH Vitamin D Control Set, and ST AI, Tosoh Bioscience, Inc. (2013) Summary page 4.

## Indications for use
ST AIA-PACK 25-OH Vitamin D is designed for in vitro diagnostic use only for the quantitative measurement of total 25-hydroxyvitamin D (25-OH vitamin D) in human serum, Na-heparinized plasma or EDTA plasma on TOSOH AIA System Analyzers. The Tosoh ST AIA-PACK 25-OH Vitamin D is intended as an aid in the determination of Vitamin D sufficiency. The ST AIA-PACK 25-OH Vitamin D Calibrator Set is intended for in vitro diagnostic use only for the calibration of the ST AIA-PACK 25-OH Vitamin D assay.

Source page: https://510kreport.com/device/K150270
Methodology: https://510kreport.com/methodology
