Nuclear Fast Red
Nuclear Fast Red (also known as Kernechtrot) is a nuclear counterstain used in histology and immunohistochemistry to provide a red background color to cell nuclei following primary staining procedures. It is regulated as an FDA Class 1 device, representing the lowest risk category subject only to general controls without requiring premarket notification. The product code is HZF, regulated under 21 CFR 864.1850, in the Hematology medical specialty. This device is exempt from GMP requirements.
Research product code HZF in seconds
The Research Assistant summarizes clearances, adverse event trends and regulation context for a product code — and cites every record.
Free to try · every answer cites its records
Basic Information
- Product Code
- HZF
- Device Class
- FDA class 1
- Regulation Number
- 864.1850
- Medical Specialty
- Hematology
- Review Panel
- PA
- Submission Type
- 4
Device Characteristics
FEI Numbers
This FDA classification entry is associated with 17 FEI numbers. Click on an entry to view related FDA registrations.
Registration Numbers
This FDA classification entry is associated with 17 registration numbers. Click on an entry to view related FDA registrations.