FDA product code · Neurology · Class 2

GXN: Plate, Cranioplasty, Preformed, Non-Alterable

GXN is FDA's product code for "Plate, Cranioplasty, Preformed, Non-Alterable": a Class 2 device classified under 21 CFR 882.5330, reviewed by the Neurology panel. FDA flags it as an implant.

510(k) review time for GXN

Across 21 510(k) clearances under GXN decided from 2018-01-01 to 2026-10-06, the median was 133 days from FDA receipt to decision. Half took between 69 and 267 days, and 80% were decided within 303 days. These are past clearances, not a forecast for a new submission.

Days from FDA receipt to 510(k) decision, GXN, decisions 2018-01-01 to 2026-10-06 (n = 21)
Fastest28
25th percentile69
Median133
75th percentile267
80th percentile303
90th percentile345
Slowest406

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.

GXN in the public FDA record

Records naming GXN, from openFDA (snapshot of 2026-09-15)
510(k) clearances, all years57
Device recalls11
GUDID device identifiers7,184

Counts of records, not of devices or events. Adverse event reports for GXN are in MAUDEScope, as counts with the query shown: MAUDE has no denominator, so a report count is not a rate and does not show that a device caused an event.

FDA-recognized standards that cite GXN

No FDA recognized consensus standard cites GXN 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.

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