The following data is part of a premarket notification filed by Diagnostic Technology, Inc. with the FDA for Counter-check Plus.
| Device ID | K791750 | 
| 510k Number | K791750 | 
| Device Name: | COUNTER-CHECK PLUS | 
| Classification | Mixture, Hematology Quality Control | 
| Applicant | DIAGNOSTIC TECHNOLOGY, INC. 803 N. Front St. Suite 3 Mchenry, IL 60050 | 
| Product Code | JPK | 
| CFR Regulation Number | 864.8625 [🔎] | 
| Decision | Substantially Equivalent (SESE) | 
| Type | Traditional | 
| 3rd Party Reviewed | No | 
| Combination Product | No | 
| Date Received | 1979-09-05 | 
| Decision Date | 1979-10-11 |