FDA product code · Clinical Chemistry · Class 1

CDZ: Radioimmunoassay, Testosterones And Dihydrotestosterone

CDZ is FDA's product code for "Radioimmunoassay, Testosterones And Dihydrotestosterone": a Class 1 device classified under 21 CFR 862.1680, reviewed by the Clinical Chemistry panel.

510(k) review time for CDZ

Across 11 510(k) clearances under CDZ decided from 2018-01-01 to 2026-10-06, the median was 138 days from FDA receipt to decision. Half took between 100 and 212 days, and 80% were decided within 214 days. These are past clearances, not a forecast for a new submission.

Days from FDA receipt to 510(k) decision, CDZ, decisions 2018-01-01 to 2026-10-06 (n = 11)
Fastest65
25th percentile100
Median138
75th percentile212
80th percentile214
90th percentile230
Slowest338

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.

CDZ in the public FDA record

Records naming CDZ, from openFDA (snapshot of 2026-09-15)
510(k) clearances, all years89
Device recalls19
Establishment listings107

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

No FDA recognized consensus standard cites CDZ 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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