FDA product code CDP: Radioimmunoassay, Total Triiodothyronine

CDP is the FDA product code for radioimmunoassay, total triiodothyronine. It is a Class II device, regulated under 21 CFR 862.1710 and reviewed by the Clinical Chemistry panel. FDA has cleared 144 510(k) submissions under CDP, from 90 different applicants. The average 510(k) review took 62 days (median 50). FDA has posted 20 recalls for CDP devices, 2 initiated in the last five years.

Classification

FieldValue
Device nameRadioimmunoassay, Total Triiodothyronine
Device classClass II
Regulation21 CFR 862.1710
Review panelCH — Clinical Chemistry
Medical specialtyClinical Chemistry
Premarket route510(k) exempt

Compare with all 510(k) review times · Search every CDP clearance

Top CDP applicants

ApplicantClearancesLatest
Abbott Laboratories131998-11-20
Amersham Corp.71989-02-08
Diagnostic Products Corp.61998-01-02
Boehringer Mannheim Corp.41996-12-16
Tosoh Medics, Inc.31999-05-11

85 more applicants have CDP clearances. See the full list in Caduvo.

Most recent CDP clearances

510(k)ApplicantDeviceDecision dateReview days
K001607Repromedix Corp.REPROBEAD T3 ENZYME IMMUNOASSAY REAGENT KIT (CATALOG# 104)2000-10-05134
K991692Chiron Diagnostics Corp.CHIRON DIAGNOSTICS ACS: 180 FT31999-06-1831
K991311Biocheck, Inc.TOTAL T3 ENZYME IMMUNOASSAY TEST KIT, MODEL BC-10051999-06-0247
K991252Tosoh Medics, Inc.AIA-PACK FT3 ASSAY1999-05-1128
K981824Biotecx Laboratories, Inc.OPTICOAT T3 EIA KIT1998-12-22214

Recalls for CDP devices

20 product recalls in 16 recall events; 2 initiated in the last five years and 2 still open. Most recent: 2024-04-09.

YearRecalls
20172
20185
20192
20231
20241

Frequently asked questions

What is FDA product code CDP?

CDP is the FDA product code for radioimmunoassay, total triiodothyronine. It is a Class II device, regulated under 21 CFR 862.1710 and reviewed by the Clinical Chemistry panel.

What device class is CDP?

Class II, regulation 21 CFR 862.1710. Typical premarket route: 510(k) exempt.

How long does a 510(k) take for product code CDP?

Across 144 cleared submissions the average was 62 days from receipt to decision (median 50).

Which companies have the most CDP clearances?

Abbott Laboratories (13); Amersham Corp. (7); Diagnostic Products Corp. (6); Boehringer Mannheim Corp. (4); Tosoh Medics, Inc. (3).

Have CDP devices been recalled?

Yes: 20 product recalls across 16 recall events; the most recent began 2024-04-09.

Next steps

Source: openFDA device classification, 510(k), PMA, De Novo and recall data (public domain). Review days run from FDA receipt to decision. Not regulatory advice.

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