# K133382: QB Test

- Pathway: 510(k) (Traditional)
- Applicant: Qbtech AB
- Decided: Mar 24, 2014 after 140 days
- Product code: LQD (Recorder, Attention Task Performance)
- Device class: U
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K854903 (1986). 4 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 7 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K122149: QBTES, Qbtech AB (2012) Summary page 1.

## Most influential descendants
- K173915: Test of Variables of Attention (T.O.V.A.) (2018), 0 descendants of its own
- K143468: QbCheck (2016), 0 descendants of its own

## Indications for use
QbTest provides clinicians with objective measurements of hyperactivity, impulsivity, and inattention to aid in the clinical assessment of ADHD (Attention-Deficit Hyperactivity Disorder) and in the evaluation of treatment interventions in patients with ADHD. QbTest results should be interpreted only by qualified professionals.

Source page: https://510kreport.com/device/K133382
Methodology: https://510kreport.com/methodology