Home Compare RDN vs NHA CPT

Exam Comparison

RDN vs NHA CPT

Comparing the CDR Registered Dietitian Nutritionist Exam (RDN) and the NHA Certified Phlebotomy Technician (CPT). Both fall under Allied Health & Medicine. Both are covered by the Allied Health Exam Prep app.

RDN Overview → NHA CPT Overview →

RDN vs NHA CPT: At a Glance

Detail RDN NHA CPT
Full Name CDR Registered Dietitian Nutritionist Exam (RDN) NHA Certified Phlebotomy Technician (CPT)
Governing Body CDR NHA
Number of Questions
Time Limit
Passing Score
Exam Fee
Category Allied Health & Medicine Allied Health & Medicine
C3RT App Allied Health Exam Prep Soon Allied Health Exam Prep Soon

Content Areas Compared

RDN Domains

  • Principles of Dietetics(12%)
  • Nutrition Care for Individuals and Groups(50%)
  • Management of Food and Nutrition Programs and Services(21%)
  • Support of Research(17%)

NHA CPT Domains

  • Specimen Collection(47%)
  • Processing(23%)
  • Laboratory Fundamentals(16%)
  • Compliance and Legal Issues(14%)

Frequently Asked Questions

What is the difference between RDN and NHA CPT?

The RDN (CDR Registered Dietitian Nutritionist Exam (RDN)) is administered by CDR. The NHA CPT (NHA Certified Phlebotomy Technician (CPT)) is administered by NHA. Both are Allied Health & Medicine credentials.

Can I take both the RDN and the NHA CPT?

Yes, the RDN and NHA CPT are separate credentials with separate eligibility requirements. Each is awarded by a different governing body (CDR and NHA respectively). Check the official requirements for each before registering.

Which should I take first, RDN or NHA CPT?

The right sequence depends on your career goals and current credentials. The RDN is offered by CDR, while the NHA CPT is offered by NHA. Review the eligibility requirements for each with the respective governing bodies before deciding.

Does C3RT cover both the RDN and the NHA CPT?

C3RT is building apps for both the RDN and the NHA CPT. Both will be available on iOS and Mac.

The CDR Registered Dietitian Nutritionist Exam (RDN) (RDN) is administered by CDR. The NHA Certified Phlebotomy Technician (CPT) (NHA CPT) is administered by NHA. C3RT is not affiliated with either organisation. Certification names and trademarks are the property of their respective owners.