# K232412: LungQ v3.0.0

- Pathway: 510(k) (Traditional)
- Applicant: Thirona BV
- Decided: Jan 8, 2024 after 151 days
- Product code: JAK (System, X-Ray, Tomography, Computed)
- Device class: 2
- Regulation: 21 CFR 892.1750
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 8 generations back to K954355 (1995). 12 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 14 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K173821: LungQ Software, Thirona Corporation (2018) Summary page 5.

## Most influential descendants
- K250766: LungQ 4 (2025), 0 descendants of its own

## Indications for use
The Thirona LungQ software provides reproducible CT values for pulmonary tissue which is essential for providing quantitative support for diagnosis and follow up examination. The LungQ software can be used to support physician in the diagnosis and documentation of pulmonary tissues images (e.g. abnormalities) from CT thoracic datasets. Three-D segmentation and isolation of sub-compartments, volumetric analysis, density evaluations, fissure evaluation, and reporting tools are provided.

Source page: https://510kreport.com/device/K232412
Methodology: https://510kreport.com/methodology