AMT Medical Laboratory Scientist (MLS) Certification — Requirements & Free Practice
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AMT Medical Laboratory Scientist (MLS) Certification
AMT national examination-based Medical Laboratory Scientist certification.
Licensing authority: American Medical Technologists
Initial by examination
- Eligibility
- Applicants must meet one of AMT's MLS education, MLT or military, or alternate education routes; all applicants pass the AMT MLS examination.
AMT examination for MLS
- Provider
- Pearson VUE
- Format
- Computer-administered four-option multiple-choice
- Exam questions
- Total questions: 210.
- Time limit
- 3.5 hours
- Passing score
- 70 on a 0-100 scale
Examination outline
General Laboratory (21%)
- Laboratory quality
- Laboratory laws and regulations
- Laboratory safety
- Laboratory instrumentation, maintenance, and principles of operation
- Laboratory mathematics
- General microscopy
- Biological specimen collection and processing
- Phlebotomy and specimen collection, handling, and integrity
- Patient identification
- Waived testing
Chemistry (18.1%)
- Instrumentation
- Renal function tests
- Hepatic function tests
- Carbohydrate metabolism
- Protein analysis
- Enzymology
- Endocrinology
- Lipids
- Water and electrolytes
- Acid-base balance
- Cerebrospinal fluid (CSF)
- Other chemistry procedures
Hematology (15.2%)
- General knowledge
- Erythrocyte procedures
- Cytogenic and molecular assays
- Automated instrumentation
- Coagulation and Hemostasis (4.7%)
Immunology and Serology (3.3%)
- General knowledge
- Serological tests
- Analytic procedures
- Special procedures
Immunohematology (10.5%)
- Blood typing
- Immune response
- Compatibility testing principles and procedures
- Rh immune globulin
- Special tests
- Blood Banking and Transfusion Services (7.6%)
Microbiology (12.4%)
- Bacteriology: general knowledge
- Bacteriology: media quality control, techniques, and cultures
- Bacteriology: bacterial identification
- Virology
- Parasitology
- Mycology
Urinalysis and Body Fluids (7.1%)
- Renal function
- Urinalysis procedures
- Special tests
Examination sources
- AMT Medical Laboratory Scientist (MLS)
Featured Resources
- AMT MLS Competencies and Examination Specifications
PDF page 1, title
- AMT MLS Competencies and Examination Specifications
PDF page 1, summary table
- AMT MLS Competencies and Examination Specifications
PDF page 8, task inventory note
- AMT Candidate Handbook
PDF page 11, Examination Format
- AMT Candidate Handbook
PDF page 10, Scoring Procedures
- AMT Medical Laboratory Scientist (MLS)
Take the Exam
- AMT Medical Laboratory Scientist (MLS)
Take the Exam, Pearson VUE