CCHT Certified Clinical Hemodialysis Technician Exam Pass Rate, Format & Study Guide

The Certified Clinical Hemodialysis Technician (CCHT) exam is the national certification for hemodialysis patient care technicians. It is offered by the Nephrology Nursing Certification Commission (NNCC), with the test developed and administered by the Center for Nursing Education and Testing (C-NET). The exam has 150 questions in three hours, of which 25 are ungraded pilot questions (NNCC and C-NET pages). The NNCC states that a standard score of 95 passes, which corresponds to answering about 74% of the questions correctly.

Federal rules for dialysis facilities require patient care technicians to be certified by a nationally recognized program within 18 months of hire, and the CCHT is one of the recognized certifications. Many employers ask for it.

Hemodialysis patient care technicians and trainees preparing for the CCHT, and technicians retaking it. Eligibility and the application are handled by the NNCC.

The certifying body does not publicly publish an official pass rate for this exam. Be wary of third-party sites citing a specific number here — treat any pass-rate claim you see elsewhere for this exam as unverified.

The NNCC and C-NET set the retest rules and fees; check the CCHT candidate handbook before you reapply.

Passing standard: the NNCC passing standard is a standard score of 95, reached by answering about 74% of the questions correctly. The exam has 150 questions in three hours, of which 25 are ungraded pilot questions (NNCC and C-NET pages). The NNCC states that a standard score of 95 passes, which corresponds to answering about 74% of the questions correctly. No official pass rate is available for this exam, so none is quoted here.

The exam has 150 questions in three hours, of which 25 are ungraded pilot questions (NNCC and C-NET pages). The NNCC states that a standard score of 95 passes, which corresponds to answering about 74% of the questions correctly. Format: 150 questions (25 ungraded pilot questions) · 3 hours · standard score of 95 to pass (about 74% correct). Passing standard: the NNCC passing standard is a standard score of 95, reached by answering about 74% of the questions correctly.

• Clinical50%
• Technical23%
• Environment15%
• Role Responsibilities12%

The content areas and weights are: Clinical (50%); Technical (23%); Environment (15%); Role Responsibilities (12%).

The NNCC requires a high school diploma or equivalent, completion of a hemodialysis technician training program and recent work as a dialysis technician; check the NNCC eligibility page for the exact current requirements.

The CCHT exam fee is US$225 (NNCC / C-NET); optional fast-track fees are listed separately by the NNCC. Employer and training-program costs are separate.

After you are certified, the NNCC sets the renewal and recertification requirements; check the NNCC for the current rules.

Start with the heaviest areas of the content outline: Clinical (50%); Technical (23%); Environment (15%). Then work through the remaining areas and finish with timed full-length practice runs (150 questions in 180 minutes).

Content outlines, fees and passing standards change; this guide follows the materials listed under Verification as of October 2026. Check the certifying body or hiring authority before you register.