Product Code: HZA FDA class 1 21 CFR 864.1850

Methyl Green

Hematology

Methyl Green is a cationic dye used in histology and cytology as a nuclear counterstain, often paired with pyronin to distinguish DNA from RNA in cells. 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 HZA, regulated under 21 CFR 864.1850, in the Hematology medical specialty. This device is exempt from GMP requirements.

510(k)s
2
FEI Numbers
11
Registration Numbers
11
Unique Applicants
2
Years Active
2

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Basic Information

Product Code
HZA
Device Class
FDA class 1
Regulation Number
864.1850
Medical Specialty
Hematology
Review Panel
PA
Submission Type
4

Device Characteristics

GMP Exempt
Implant
Life Sustain/Support
Third Party
Summary Malfunction Reporting

510(k) Clearance History

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Related 510(k) Clearances

This FDA classification is associated with 2 510(k) clearances via K numbers.

K Number Device Name
K871544 METHYL GREEN SOLUTION
K844808 METHYL GREEN-PYRONIN STAIN PROCEDURE HT70

FEI Numbers

This FDA classification entry is associated with 11 FEI numbers. Click on an entry to view related FDA registrations.

Registration Numbers

This FDA classification entry is associated with 11 registration numbers. Click on an entry to view related FDA registrations.