CLS Renewal of Certification (ROC) Maintaining your CLS credential through ROC keeps you competitive in clinical laboratory positions where certification directly influences compensation tiers. Labs increasingly differentiate pay scales by credential status, and lapsed certifications can trigger salary resets or disqualification from senior roles. Renewal ensures uninterrupted earning potential across phlebotomy, chemistry, and hematology specialties.
| Exam Name | CLS Renewal of Certification |
| Exam Code | ROC |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
