# K023894: ST Aia-Pack Afp Enzyme Immunoassay

- Pathway: 510(k) (Special)
- Applicant: Tosoh Medics, Inc.
- Decided: Dec 17, 2002 after 25 days
- Product code: LOJ (Kit, Test,Alpha-Fetoprotein For Testicular Cancer)
- Device class: 2
- Regulation: 21 CFR 866.6010
- Recalls of this device: 1 (0 Class I)
- 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. The summary cites one number, which could not be confirmed as its predicate (listed below).

## Cited in the summary but kept off the family tree
- P910006: Tosoh AIA-PACK AFP. Not in FDA’s 510(k), De Novo or PMA lists as we hold them (a misreading, a typo, or a number FDA does not list), so it is kept off the family tree Summary page 1.

## Recalls of this device
- Mar 5, 2018 · Class II · Z-2065-2018: Asfotase Alfa (Strensiq) interferes with certain Tosoh assays which potentially causes falsely increased or falsely decreased immunoassay test results, depending upon the assay.

## Indications for use
ST AIA-PACK AFP is designed for IN VITRO DIAGNOSTIC USE ONLY for the quantitative measurement of Alpha-Fetoprotein (AFP) in serum to aid in the management of patients with nonseminomatous testicular carcinoma.

Source page: https://510kreport.com/device/K023894
Methodology: https://510kreport.com/methodology