FDA product code · General Hospital · Class 2

QNQ: Low Dead Space Piston Syringe

QNQ is FDA's product code for "Low Dead Space Piston Syringe": a Class 2 device classified under 21 CFR 880.5860, reviewed by the General Hospital panel.

510(k) review time for QNQ

Across 12 510(k) clearances under QNQ decided from 2018-01-01 to 2026-10-06, the median was 181 days from FDA receipt to decision. Half took between 101 and 291 days, and 80% were decided within 344 days. These are past clearances, not a forecast for a new submission.

Days from FDA receipt to 510(k) decision, QNQ, decisions 2018-01-01 to 2026-10-06 (n = 12)
Fastest0
25th percentile101
Median181
75th percentile291
80th percentile344
90th percentile437
Slowest618

Source: openFDA 510(k) records, snapshot of 2026-10-06 (openFDA data as of 2026-09-28). Compare 510(k) review times across all device types, see every code side by side in the Clearance Timeline Estimator, or browse the clearances themselves in PredicateScope.

FDA-recognized standards that cite QNQ

No FDA recognized consensus standard cites QNQ by product code. Horizontal standards such as biocompatibility, sterilization and software standards can still apply.

Source: FDA Recognized Consensus Standards, snapshot of 2026-09-01. Search them all in the Consensus Standards Lookup.

Related product codes