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CLS(MT) and MLT

License Examination Application and Fees 

Proceed to the online License Examination Application 

If you want to apply to take the License Examination, but do not want to apply online you can use the following printable applications.

Application for California Clinical Laboratory Scientist License Examination

Application for California Medical Laboratory Technician License Examination

REMEMBER:  Completed applications (online or PDF) must be printed, notarized and mailed to AAB BOR, 906 Olive Street, Suite 1200, Saint Louis, MO 63101-1448.

After being approved by the State of California, you can apply to take the AAB Board of Registry Licensure Examination.

Before your proceed to fill out the online application, make sure you will be able to provided the following information where applicable.

  • Education information - institutions attended, location, dates, and degrees obtained.
  • Employment history - institutions, address and telephone, positions held and duties performed, and dates.
  • "Letter of Qualification" from the State of California.  If you have a scanned version of your letter, you will be able to upload it.  If not, a copy can be forwarded with your notarized application. 
  • Accepted credit cards for applying online - MasterCard, VISA, American Express and Discover.

All items on the application must be completed.  Please designate "not applicable" where necessary.  If space is insufficient, you can mail any additional information.  Be sure you name and address appear on all additional information.

Processing fees are non-refundable.  Examination and proctoring fees are refundable, minus a cancellation fee of $40, if cancelled sufficiently in advance.  See the list of fees below.

Education and Training Requirements.  Individuals applying must meet the educational and training requirements.  (Below are for links to this information.)

Limit:  Two reexaminations.  Applicants who fail an examination two times must wait one year before taking the examination a third time. Applicants who fail an AAB Board of Registry examination three times may reapply two years after the date of the last failed examination. 

Please allow a minimum of two to four weeks to process your application.

Processing Fee for CLS(MT) License Examination.......................................... $25.00
CLS(MT) Generalist Examination Fee............................................................................
(includes basic knowledge, chemistry, hematology,
immunology, immunohematology and microbiology).
$125.00
Proctoring Fee......................................................................................................... $20.00
TOTAL DUE $170.00
CLS(MT) Generalist Re-Examination Fee.....................................................................
(includes basic knowledge, chemistry, hematology,
immunology, immunohematology and microbiology).
$125.00

 

 

 

 

 

 

  

Processing Fee for MLT(AAB) License Examination........................................ $25.00
MLT(AAB) Generalist Examination Fee.........................................................................
(includes basic knowledge, chemistry, hematology,
immunology and microbiology).
$125.00
Proctoring Fee......................................................................................................... $20.00
TOTAL DUE $170.00
MLT(AAB) Generalist Re-Examination Fee...................................................................
(includes basic knowledge, chemistry, hematology,
immunology and microbiology).
$125.00

 

 

 

 

 

 

 

Clinical Laboratory Scientist (CLS) Education and Training Requirements
Medical Laboratory Technician (MLT) Education and Training Requirements
AAB Board of Registry Certifications

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