FDA product code · Cardiovascular · Class 2

MTD: Catheter, Intracardiac Mapping, High-Density Array

MTD is FDA's product code for "Catheter, Intracardiac Mapping, High-Density Array": a Class 2 device classified under 21 CFR 870.1220, reviewed by the Cardiovascular panel.

510(k) review time for MTD

Across 15 510(k) clearances under MTD decided from 2018-01-01 to 2026-10-06, the median was 168 days from FDA receipt to decision. Half took between 61 and 279 days, and 80% were decided within 302 days. These are past clearances, not a forecast for a new submission.

Days from FDA receipt to 510(k) decision, MTD, decisions 2018-01-01 to 2026-10-06 (n = 15)
Fastest27
25th percentile61
Median168
75th percentile279
80th percentile302
90th percentile339
Slowest463

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.

MTD in the public FDA record

Records naming MTD, from openFDA (snapshot of 2026-09-15)
510(k) clearances, all years34
Device recalls9

Counts of records, not of devices or events. Adverse event reports for MTD 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 MTD

No FDA recognized consensus standard cites MTD 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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