The American Society for Clinical Pathology (ASCP) publishes a free informational guide that explains what the Board of Certification (BOC) does and how its certification programs work. This guide is designed for people who want to learn about laboratory science certifications without any cost. The guide describes the structure of different certification pathways, including routes for medical laboratory technologists, phlebotomy technicians, and other clinical laboratory professionals.
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The guide contains factual information about certification categories, the organizations that recognize ASCP credentials, and how these certifications differ from state licensing requirements. It explains that ASCP certification is a voluntary credential—meaning it is not required by law in most states, but many employers prefer or require it for certain positions. The guide walks through what testing involves, including the format of exams and general topics covered in different certification areas.
Within this guide, you will find explanations of the ASCP BOC's mission, which is to certify laboratory professionals and support the clinical laboratory industry. The guide includes contact information for ASCP and resources for reaching their customer service team with specific questions. It also directs readers to ASCP's website where they can locate additional resources, including practice questions and detailed curriculum outlines for each certification type.
The informational guide serves as an introductory resource rather than a detailed study tool. It gives an overview of what certifications exist and points readers toward more specific materials based on their interests. By reviewing this guide, someone considering a laboratory career can understand what credentials are available in the field and what each one represents in the workplace.
Practical Takeaway: Begin by requesting the free ASCP informational guide to understand which certification types exist and which one aligns with your career interests.
ASCP offers certification in multiple laboratory specialties, and the informational guide describes each one. The Medical Laboratory Technologist (MLT) certification is for professionals who work with blood samples, body fluids, and tissue specimens in clinical settings. This certification requires specific educational background and examination. The Medical Laboratory Scientist (MLS) certification, sometimes called the Clinical Laboratory Scientist (CLS) certification, is a higher-level credential for professionals with a bachelor's degree in clinical laboratory science or a related field.
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The guide also covers certifications in specialized areas. Phlebotomy technicians can pursue the Phlebotomy Technician (PBT) certification, which focuses on blood collection techniques and specimen handling. There are also certifications in specific laboratory areas such as microbiology, chemistry, hematology, and immunohematology (blood banking). Each certification represents expertise in a particular branch of laboratory medicine. For example, someone certified in microbiology has demonstrated knowledge of bacterial identification, fungal testing, and infection control procedures used in clinical laboratories.
According to ASCP data, there are approximately 25,000 new certification candidates testing annually across all ASCP BOC certifications. The guide explains that each certification has different educational prerequisites. For instance, an MLT certification typically requires completion of an accredited two-year laboratory program, while an MLS certification usually requires a bachelor's degree program. Some certifications have alternative pathways for people with laboratory work experience instead of formal education, though specific requirements vary.
The informational guide helps readers understand why different certifications exist and what roles they fill in healthcare settings. A hospital laboratory might employ both MLTs and MLSs, with MLSs often in supervisory or specialized testing roles. Understanding these distinctions helps someone choose a career path that matches their educational background and career goals. The guide explains these roles without requiring technical knowledge of laboratory procedures.
Practical Takeaway: Review the certification descriptions in the guide to identify which laboratory specialty matches your educational background and career interests.
A critical point explained in the informational guide is the difference between ASCP certification and state licensure. In the United States, only a few states legally require laboratory professionals to be licensed. States like Florida, Louisiana, and New York have state licensure programs for certain laboratory positions. However, most states do not legally require laboratory professionals to hold any particular credential. This means that in many states, someone can work in a clinical laboratory without ASCP certification, though employers may strongly prefer or require it anyway.
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ASCP certification is a nationally recognized credential offered by a private professional organization. It demonstrates to employers that a person has met national standards for knowledge and skills in laboratory work. When you hold ASCP certification, your credential is valid across all states. State licensure, by contrast, applies only within that specific state. If a state-licensed laboratory professional moves to another state, they typically must obtain licensure in the new state, which may involve additional testing or paperwork.
The guide explains that employers value ASCP certification because it shows consistent training and competency. Many hospitals, diagnostic laboratories, and healthcare systems list ASCP certification as a requirement in job postings. Some employers may be willing to hire someone without certification if they have strong laboratory experience, but this varies widely by employer and location. The informational guide does not suggest that certification guarantees employment, but rather that it represents a qualification many employers seek.
Understanding this distinction matters because it affects your career planning. If you live in a state without laboratory licensure requirements, ASCP certification becomes your primary professional credential. The guide helps clarify that pursuing ASCP certification is a choice that can improve career prospects, rather than a legal requirement in most places. Readers should check their specific state's regulations separately, as requirements vary by location and may change over time.
Practical Takeaway: Check your state's specific laboratory licensing requirements separately, while understanding that ASCP certification is a nationally recognized credential valued by employers across the country.
The ASCP informational guide describes the general content areas covered on different certification exams. For example, the Medical Laboratory Scientist exam typically includes questions on clinical chemistry, hematology, immunohematology, microbiology, and general laboratory management. Each content area makes up a percentage of the total exam. Clinical chemistry might represent 25% of the exam, testing knowledge of how to perform and interpret tests for glucose, electrolytes, kidney function, and other chemical measurements in blood. Hematology represents another significant portion, covering red and white blood cell disorders, coagulation disorders, and microscopic analysis.
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The guide explains that exams use multiple-choice questions that test both factual knowledge and practical application. A question might ask about a specific test procedure, interpretation of results, or how to handle an unusual laboratory finding. The exams typically last three to four hours and include 100 to 120 questions, depending on the certification type. The guide does not go into question-by-question detail, but rather gives readers a sense of the breadth and depth of knowledge required.
For phlebotomy certification specifically, the exam focuses on blood collection techniques, patient identification procedures, infection control, and specimen handling. These are the core skills a phlebotomist must perform correctly every day. According to ASCP, the Phlebotomy Technician exam pass rate is typically around 85-90%, while the Medical Laboratory Scientist exam pass rate is lower, around 70-75%, reflecting the greater complexity of the material.
The informational guide helps readers understand that these exams test real, job-relevant knowledge. Someone studying for certification must learn the actual laboratory procedures, normal and abnormal test results, and troubleshooting steps used in clinical practice. The guide steers people toward ASCP's study materials and practice resources, which provide more detailed information about specific topics. This gives readers a realistic preview of what studying for certification involves before they commit time and money to the process.
Practical Takeaway: Request information about the specific exam content outline for the certification you are considering, and plan your study time around the major topic areas covered.
The ASCP certification information guide is available without cost directly from the American Society for Clinical Pathology. You can find information about the guide on ASCP's official website at www.ascp.org. The website includes a section dedicated to the Board of Certification and student resources. From there, you can locate links to request the guide, view it online, or read it in PDF format. ASCP also maintains a customer service department that can answer questions about certifications and direct you to the right resources based on your specific interests.
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This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.