42 C.F.R. § 493.905 Nonapproved proficiency testing programs.
Title 42 - Public Health
If a proficiency testing program is determined by HHS to fail to meet any criteria contained in §§493.901 through 493.959 for approval of the proficiency testing program, CMS will notify the program and the program must notify all laboratories enrolled of the nonapproval and the reasons for nonapproval within 30 days of the notification.
Title 42: Public Health
PART 493—LABORATORY REQUIREMENTS
Subpart I—Proficiency Testing Programs for Nonwaived Testing
§ 493.905 Nonapproved proficiency testing programs.
