Laboratory Field Services Personnel Licensing and Certification

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Information Regarding Medical Laboratory Technicians (MLT) Licensing    Printable version

To avoid delays in processing your documents, please note the following information and instructions:
  • Click here to complete the application online. The application fee is $230.00 and is fully non-refundable. No partial or full refunds will be granted.
  • Qualifications requirements for licensure as MLT are provided in California Code or Regulations (CCR), Title 17, Section 1032.5
    • Click here to view the requirements regarding MLT.
      Click here to view additional requirements provided in California Business and Professions Code (BPC) Section 1260.3.

  • The application processing time is a minimum of 10 weeks. The processing time is based upon receipt of a fully completed application and the necessary official documents, including transcripts, verification of training or training/experience (missing or incomplete documents will cause a delay in the evaluation and issuance a license).
  • Applications will not be processed without signed attestation. An attestation page will be emailed and mailed to you within 5 business days of your completion of the application. All applications will be evaluated in the order of receipt of the application and supporting documents.
  • All applicants, including those who have attended a non-United States educational or clinical institution, MUST have their official transcripts and/or supporting documents sent directly from their academic institution and/or their employer to:
    • Laboratory Field Services
      Attn: MLT Program
      850 Marina Bay Parkway
      Bldg P, 1st Floor
      Richmond, CA 94804-6403
      The verification of training/experience should be in the following format:
      • Dates of training/experience
      • Number of hours per week of clinical laboratory rotation in the following sections of the clinical laboratory: hematology, chemistry, microbiology, immunology
  • All applicants who have attended a non-United States educational institution MUST have a copy of their foreign transcript evaluated by American Association of Collegiate Registrars & Admissions (AACRAO) and a copy be requested to be sent to LFS.
  • All non-United States issued transcripts and documents must have applicants complete name printed in English on every document.
  • Currently, the American Society for Clinical Pathology (ASCP) Board of Registry and American Association of Bioanalysts Board of Registry (AAB) examinations for MLT have been approved for licensure purposes in California. Applicants who passed AAB examination prior to January 1, 2003 or ASCP examination prior to June 1, 2003 are required to re-take the certification examination once the applicant receives a California Department of Public Health qualification letter from LFS.
  • Approval of the AAB examination has a 4-year look back as of January 1, 2007, and approval of the ASCP examination has a 4-year look back as of June 1, 2007. A copy of satisfactory performance on certifying organization examinations must be sent directly to LFS.
  • Incomplete application packages may be abandoned 150 days after registration. All abandoned applications are considered expired. To re-apply, the applicant is required to re-register and pay a new fully non-refundable application fee.
  • All documents received will be retained for three years. Applicants who re-apply after three years will be required to submit a new set of transcripts and all other required documents.
  • For any questions regarding MLT eligibility, qualifications, and the applicant process, you may contact