MLT (ASCP) - Medical Laboratory Technician

  • Cost $215
  • Renews every 3 years


In Person


The Medical Laboratory Technician (MLT) certification through the American Society for Clinical Pathology (ASCP) prepares laboratory technicians with the skills necessary to assist laboratory staff in various clinical settings. Responsibilities of medical laboratory technicians include the collection of specimen samples, as well as testing samples. MLTs provide critical lab value information to physicians and nurses, used to diagnose, and treat numerous conditions.


  • Exam Fee: $215

  • International Fee: $175. There is a discount of $95 for applicants that have a medical laboratory education and reside in specific countries listed in the International Pricing Policy.

  • Fees will increase by $10 beginning July 1, 2023.

Course Format

The exam consists of 100 computer-based questions, with a 2 hour 30 minute time limit. Once the exam is complete, applicants receive results within 48 hours. An official certificate will be mailed upon successful completion, and candidates can also download a member card.


Eligibility Requirements

There are several ways applicants can be eligible for the Medical Laboratory Technician Certification, including:

  1. Applicants must have an associate degree in medical laboratory technology.

  2. Candidates must have completed 60 semester hours within the last two years, including 25 hours of work related to laboratory sciences, AND completed at least 6 months of clinical laboratory experience in the blood bank, microbiology, or chemistry laboratories.

  3. Applicants who have completed a 50-week medical laboratory training program sponsored by the US military.

  4. Applicants must have previously taken and passed a generalist MLT examination that a certification group or licensure organization provided. An applicant must also have an active state license or certification and meet employment and education requirements.

Once a candidate is deemed eligible, they can apply and pay an application fee.

If a candidate does not pass the exam and wants to retest, they must wait at least 45 days after the initial test. A non-refundable fee of $125 is required. Applicants are limited to 4 exam attempts for certification.


Certification renewal is required every three years.

The U.S. Credential Maintenance Program (CMP) lists specifics related to keeping your certificate up to date. A total of 36 points are required for renewal.

Renewal Fee

  • Renewal fee: $95

  • Reinstatement fee: $125

  • Fee is reduced by $15 if renewing multiple ASCP certifications that expire on the same day or will expire in three months of each other.

Continuing Education

Effective 1/1/2023, all certification categories are required to complete one CMP point of continuing education in the area of medical ethics (e. g., HIPAA, compliance, confidentiality training.)

Other Resources

The ASCP offers resources for exam candidates, including:

Related Certifications

The ASCP also offers the following:

  • Histotechnician (HT)

  • Medical Laboratory Assistant (MLA)

  • Phlebotomy Technician (PBT)

Other related certifications offered by the American Medical Technologists (AMT) include:

  • Medical Laboratory Technician (MLT) offered by the evaluates the competence of entry-level medical laboratory techs.

  • Molecular Diagnostic Technologists (MDT) validates the knowledge and skills of entry-level Molecular Diagnostics Technologists performing molecular diagnostic DNA-based tests in a lab.

  • Medical Technologist (MT) evaluates the competence of entry-level med techs.

Was this page helpful?

Related Jobs

View job details for Laboratory Technician
Staff Position

Laboratory Technician

  • American Red Cross
  • Philadelphia, PA
  • days
  • Sign-On Bonus
From the web
View job details for Travel Medical Lab Technician
Travel Contract

Travel Medical Lab Technician

  • Chillicothe, OH
  • PHP
  • 4x10 hrs, Nights


Posted 5 days ago
View job details for Histology Technician
Staff Position

Histology Technician

  • Actalent
  • Brooklyn, NY
  • Sign-On Bonus
Posted 3 days ago
From the web
View job details for Travel Medical Lab Scientist
Travel Contract

Travel Medical Lab Scientist

  • Aspen, CO
  • Anders Group
  • 4x10 hrs, Nights
  • Referral Bonus


Estimated pay package
Posted 6 days ago
View job details for Local Contract Clinical Lab Scientist (CLS)
Local Contract

Local Contract Clinical Lab Scientist (CLS)

  • Tyler, TX
  • TalentBurst, Inc
  • 5x8 hrs, Nights


Posted 6 days ago

Frequently asked questions

Am I eligible for MLT certification if I live outside the United States?

Yes, this certification is open to applicants outside North America but additional fees apply. Applicants outside of the U.S. take the International Medical Laboratory Technician route.

How should I study for the exam?

It’s recommended that applicants begin preparing for the MLT exam months before taking the actual test. You can prepare for the exam by reading MLT study guides and taking an MLT Certification practice test.

What type of content is covered in the exam?

The MLT exam is a comprehensive exam that covers:

  • Urinalysis and body fluids

  • Microbiology

  • Chemistry

  • Hematology

  • General laboratory theories

  • Blood bank & transfusion practices

  • Coagulation and hemostasis

  • Immunology and serology

  • Immunohematology

Why should I take the MLT (ASCP) Exam?

The MLT (ASCP) certification exam is the most widely recognized credentialing exam for medical laboratory technicians. Passing the MLT exam is the last step to becoming a certified medical laboratory technician and getting licensed by the state, which is required to start your career as an MLT.

How hard is the MLT (ASCP) exam?

The MLT (ASCP) exam is relatively difficult, made harder without proper preparation. According to ASCP’s 2020 exam statistics, 78% of the 2,258 people who took the test passed. The median score was 506 on 999-point scale.

What score do I need to pass the MLT (ASCP)?

The medical lab technician (MLT) certification exam is graded on a 999-point scale, with 400 being a passing score.

What other certifications should I consider after getting the MLT?

After obtaining the MLT, you might also pursue the Medical Laboratory Technician (MLT), the Molecular Diagnostic Technologists (MDT) and the Medical Technologist (MT).