FDA product code · Cardiovascular · Class 2

DTZ: Oxygenator, Cardiopulmonary Bypass

DTZ is FDA's product code for "Oxygenator, Cardiopulmonary Bypass": a Class 2 device classified under 21 CFR 870.4350, reviewed by the Cardiovascular panel. FDA flags it as life-sustaining or life-supporting.

510(k) review time for DTZ

Across 33 510(k) clearances under DTZ decided from 2018-01-01 to 2026-10-06, the median was 137 days from FDA receipt to decision. Half took between 88 and 269 days, and 80% were decided within 289 days. These are past clearances, not a forecast for a new submission.

Days from FDA receipt to 510(k) decision, DTZ, decisions 2018-01-01 to 2026-10-06 (n = 33)
Fastest26
25th percentile88
Median137
75th percentile269
80th percentile289
90th percentile426
Slowest706
Median days by decision year, DTZ (years with enough clearances to compute). The partial final year counts only submissions already decided, so its median runs low.
YearMedian daysn
2019905
2020935
20213365
20231455

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.

DTZ in the public FDA record

Records naming DTZ, from openFDA (snapshot of 2026-09-15)
510(k) clearances, all years254
Device recalls107
Establishment listings201
GUDID device identifiers1,665

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

3 FDA recognized consensus standards cite DTZ, among them ISO 7199 Third edition 2016-11-15; ISO 11658 First edition 2012-05-15; ISO 7199 Fourth edition 2024-09. Horizontal standards such as biocompatibility, sterilization and software standards can apply without citing the code.

  • 3-150 ISO 7199 Third edition 2016-11-15 — Cardiovascular implants and artificial organs - Blood-gas exchangers (oxygenators)
  • 3-183 ISO 11658 First edition 2012-05-15 — Cardiovascular implants and extracorporeal systems - Blood/tissue contact surface modifications for extracorporeal perfusion systems
  • 3-194 ISO 7199 Fourth edition 2024-09 — Cardiovascular implants and artificial organs - Blood-gas exchangers (oxygenators)

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

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