Technologist in Hematology - H

Obtain certification and advance your career in hematology with our specialized credential.

Performs analyses on blood and body fluids to identify hematologic and coagulation disorders and aid in the diagnosis and treatment of diseases.

ASCP and ASCPi Pathways

Attaining an American Society for Clinical Pathology Board of Certification (ASCP BOC) credential requires a laboratory professional or other expert to meet specific education, training, and/or experience standards and to successfully pass an examination demonstrating knowledge and applied skills. The ASCP BOC offers ASCP and ASCPi credentials based on distinct eligibility requirements. All candidates must carefully compare credentialing options. Additional information is available about the similarities and differences between similarities and differences between ASCP and ASCPi credentials and ASCPi credentials.

Eligibility Routes

Each credential has specific eligibility requirements, which are different for ASCP and ASCPi. It’s your responsibility to confirm that your education, training, and/or experience meet the criteria. Submit the correct documentation with your application. Once submitted, the category and route of application cannot be changed.

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Trying to decide between ASCP and ASCPi?

Technologist in Hematology – H(ASCP)

An applicant must be able to verify that they meet all eligibility requirements, including education, training, and/or experience. For complete information, see the Documentation section of the website. 

Education does not need to be from the United States. Details are available by reviewing the webpage titled Acceptable Education, also available in the routes below. 

To be eligible for this examination category, an applicant must satisfy the minimum requirements (for degrees, the stated degree or higher) of at least one of the following routes:

An applicant must be able to verify that they meet all eligibility requirements, including education, training, and/or experience. For complete information, see the  Documentation section of the website. 

Education needs to be equivalent to education from the United States. Details are available by reviewing the webpage titled  Acceptable Education, also available in the routes below. 

To be eligible for this examination category, an applicant must satisfy the minimum requirements (for degrees, the stated degree or higher) of at least one of the following routes: 


  • *Acceptable Clinical Laboratory:
    CMS CLIA certificate of registration, compliance, accreditation;
    OR DoD CLIP certificate of registration, compliance, accreditation;
    OR JCI accreditation;
    OR Accreditation under ISO 15189.

    Experience 

    To fulfill the experience requirement for the Technologist in Hematology examination, you must have clinical laboratory experience within the last 5 years in ALL of the following procedures:

    • Blood smear, evaluation and differential
    • Complete blood count
    • Quality control: performance and evaluation
    • Routine coagulation tests (e.g., PT, APTT, D-dimer)

    Experience is also required within the last 5 years in 2 of the 3 procedures listed:

    • Instrument maintenance / troubleshooting 
    • Miscellaneous tests (e.g., ESR, sickle screen, manual cell count, reticulocyte)
    • Other coagulation tests (e.g., fibrinogen, factor assays, hypercoagulability)
    • Baccalaureate degree from an accredited (regionally or nationally) college/university with a major in biological science or chemistry, OR a baccalaureate degree from an accredited (regionally or nationally) college/university with a combination of 30 semester hours (45 quarter hours) in biology and chemistry, which may be obtained within, or in addition to, the baccalaureate degree,
    • AND successful completion of a structured program in hematology under the auspices of a NAACLS accredited Medical Laboratory Scientist program within the last 5 years that must be documented on this Structured Program Documentation Form.

      The structured program in hematology must be equivalent to the curriculum for hematology in the Medical Laboratory Scientist program.

      Applicants should not apply until after successful completion of the structured program.

  • *Acceptable Clinical Laboratory:
    CMS CLIA certificate of registration, compliance, accreditation;
    OR DoD CLIP certificate of registration, compliance, accreditation;
    OR JCI accreditation;
    OR Accreditation under ISO 15189.

    Experience 

    To fulfill the experience requirement for the Technologist in Hematology examination, you must have clinical laboratory experience within the last 5 years in ALL of the following procedures:

    • Blood smear, evaluation and differential
    • Complete blood count
    • Quality control: performance and evaluation
    • Routine coagulation tests (e.g., PT, APTT, D-dimer)

    Experience is also required within the last 5 years in 2 of the 3 procedures listed:

    • Instrument maintenance / troubleshooting 
    • Miscellaneous tests (e.g., ESR, sickle screen, manual cell count, reticulocyte)
    • Other coagulation tests (e.g., fibrinogen, factor assays, hypercoagulability)
  • The education received from a NAACLS-accredited Medical Laboratory Scientist program is acceptable for a period of 5 years from the date of completion of that program.


  • *Accredited/approved by a governing regulatory association or Ministry. Countries without a prevalent system of accreditation/approval must have programs/educational institutions approved by an International Advisory Board appointed by the ASCP Board of Certification, or eligibility will be determined by an acceptable transcript evaluation. The foreign degree must be equivalent to a U.S. degree.


  • *Accredited/approved by a governing regulatory association or Ministry. Countries without a prevalent system of accreditation/approval must have programs/educational institutions approved by an International Advisory Board appointed by the ASCP Board of Certification, or eligibility will be determined by an acceptable transcript evaluation. The foreign degree must be equivalent to a U.S. degree.

    #Clinical laboratory accredited by JCI, CAP, under ISO 15189 or authorized by a governing regulatory association or Ministry. Countries without a prevalent system of accreditation must have laboratories approved by an International Advisory Board appointed by the ASCP Board of Certification.

    Experience 

    To fulfill the experience requirement for the Technologist in Hematology examination, you must have clinical laboratory experience within the last 5 years in ALL of the following procedures:

    • Blood smear, evaluation and differential
    • Complete blood count
    • Quality control: performance and evaluation
    • Routine coagulation tests (e.g., PT, APTT, D-dimer)

    Experience is also required within the last 5 years in 2 of the 3 procedures listed:

    • Instrument maintenance / troubleshooting 
    • Miscellaneous tests (e.g., ESR, sickle screen, manual cell count, reticulocyte)
    • Other coagulation tests (e.g., fibrinogen, factor assays, hypercoagulability)

  • *Accredited/approved by a governing regulatory association or Ministry. Countries without a prevalent system of accreditation/approval must have programs/educational institutions approved by an International Advisory Board appointed by the ASCP Board of Certification, or eligibility will be determined by an acceptable transcript evaluation. The foreign degree must be equivalent to a U.S. degree.


  • *Accredited/approved by a governing regulatory association or Ministry. Countries without a prevalent system of accreditation/approval must have programs/educational institutions approved by an International Advisory Board appointed by the ASCP Board of Certification, or eligibility will be determined by an acceptable transcript evaluation. The foreign degree must be equivalent to a U.S. degree.

    #Clinical laboratory accredited by JCI, CAP, under ISO 15189 or authorized by a governing regulatory association or Ministry. Countries without a prevalent system of accreditation must have laboratories approved by an International Advisory Board appointed by the ASCP Board of Certification.

    Experience 

    To fulfill the experience requirement for the Technologist in Hematology examination, you must have clinical laboratory experience within the last 5 years in ALL of the following procedures:

    • Blood smear, evaluation and differential
    • Complete blood count
    • Quality control: performance and evaluation
    • Routine coagulation tests (e.g., PT, APTT, D-dimer)

    Experience is also required within the last 5 years in 2 of the 3 procedures listed:

    • Instrument maintenance / troubleshooting 
    • Miscellaneous tests (e.g., ESR, sickle screen, manual cell count, reticulocyte)
    • Other coagulation tests (e.g., fibrinogen, factor assays, hypercoagulability)

  • *Accredited/approved by a governing regulatory association or Ministry. Countries without a prevalent system of accreditation/approval must have programs/educational institutions approved by an International Advisory Board appointed by the ASCP Board of Certification, or eligibility will be determined by an acceptable transcript evaluation. The foreign degree must be equivalent to a U.S. degree.

    $Degrees/Diplomas in Medical Laboratory Science include Medical Laboratory Science, Medical Technology, Clinical Laboratory Science, and Biomedical Laboratory Science.

Application Fee (non-refundable): $250

Apply for H(ASCP)

Beginning January 1, 2026, application fees for all ASCP certification examinations will increase by $10.

Application Fee (non-refundable): $250

Apply for H(ASCPi)

Reduced pricing is available for those educated and residing in low-to-middle income countries

Beginning January 1, 2026, application fees for all ASCPi certification examinations will increase by $10, except for those educated and residing in low-to-middle income countries.

Information About Required Documentation

You must upload the appropriate documentation form when you apply online, verifying that you meet the training and/or experience requirements for your category and route of application. You will also need to submit an acceptable transcript or transcript evaluation verifying that you meet the academic requirements. Gather your documents before submitting your application and application fee.

Apply

Once you have confirmed that you meet the requirements and have gathered your documents, submit your online application.

Coming Soon! Digital Badges

In early 2026, the ASCP BOC will launch digital badging through Credly, a trusted provider that increases the visibility of ASCP BOC credential holders by securely showcasing and sharing professional credentials. Learn more about digital badges.

“My ASCP BOC credentials added great scientific and medical weight to my professional portfolio and opened many doors for employment.”

-Mohamed A. Abdelmonem, H(ASCP)CMBBCM, MLSiCMSBBiCM