Key Points
- Phlebotomists draw blood from patients for diagnostic testing, while sterile processing technicians decontaminate, inspect, and sterilize surgical instruments and equipment.
- Sterile processing technicians earn a median annual wage of $46,490 according to O*NET May 2024 data, about $2,830 higher than phlebotomists at $43,660 per BLS.
- Sterile processing technician programs can be completed 100% online; accredited phlebotomy programs cannot, because the credentialing standard requires hands-on blood draws on real patients.
- Phlebotomy is individually licensed in California, Louisiana, Nevada, and Washington; sterile processing technicians face workplace certification requirements in Tennessee, New Jersey, New York, and several other states.
- National certification exam fees for both careers run roughly $128 to $155, separate from training tuition or recertification.
What a Phlebotomist Does
A phlebotomist draws blood from patients for diagnostic testing, transfusions, research, and donations. The role is patient-facing and depends on venipuncture and capillary draw technique, calm patient communication, and strict infection-control protocols. A typical shift includes verifying patient identity, preparing the draw site, performing the venipuncture or finger stick, labeling specimens, and routing them to the laboratory.
Phlebotomists work in hospitals, outpatient clinics, blood donation centers, diagnostic laboratories, and physician offices. Some specialize in pediatric draws, geriatric care, or mobile blood collection programs. Outpatient care centers and medical and diagnostic laboratories tend to pay above the median wage for the occupation.
What a Sterile Processing Technician Does
A sterile processing technician collects, decontaminates, inspects, assembles, packages, and sterilizes the surgical instruments and equipment used inside a healthcare facility. The work is procedural and detail-driven, with minimal direct patient contact. Each shift moves instruments through a defined cycle: decontamination, inspection and assembly, packaging, sterilization, sterile storage, and dispatch to the operating room or procedure area.
Sterile processing technicians most often work in a centralized sterile processing department inside a hospital, with additional opportunities in ambulatory surgery centers, outpatient clinics, dental offices, and veterinary practices. This occupation is classified under the broader category of Medical Equipment Preparers, occupation code 31-9093.
Training and Certification Requirements
Both careers typically start from a high school diploma or equivalent, but the format options, program lengths, and certification routes are not the same.
Phlebotomy Training and Certification
Phlebotomy programs combine classroom instruction with hands-on clinical practice on real patients. NAACLS-accredited programs require students to complete a documented number of successful venipunctures and capillary draws before they can sit for a national certification exam. This in-person clinical requirement is why fully online phlebotomy programs do not exist in the United States; the credentialing standard prevents it.
Most non-degree phlebotomy programs run 4 to 12 weeks. The leading national credentials are the Phlebotomy Technician (PBT) from the ASCP Board of Certification, the Certified Phlebotomy Technician (CPT) from the National Healthcareer Association, and equivalent credentials from NCCT and AMCA.
Sterile Processing Technician Training and Certification
Sterile processing is one of the few healthcare career fields where training can be completed fully online. Online programs cover decontamination, instrument identification, sterilization cycles, microbiology basics, and aseptic technique through self-paced coursework. Most diploma and certificate programs run 14 weeks to several months. Many online programs do not include the supervised hands-on hours required for full certification, so graduates typically complete those hours on the job after hire, which is a common credentialing route in the field.
Two national credentials dominate the market: the Certified Registered Central Service Technician (CRCST) from the Healthcare Sterile Processing Association, and the Certified Sterile Processing and Distribution Technician (CSPDT) from the Certification Board for Sterile Processing and Distribution.
Certification exam fees fall in a similar range across both fields: roughly $128 for the CBSPD CSPDT, about $140 for the HSPA CRCST, and about $155 for the ASCP PBT. These fees cover the exam itself and do not include training tuition, study materials, or recertification.
Salary and Job Outlook
Sterile processing technicians have a higher median wage and slightly stronger projected growth than phlebotomists. Sterile processing technicians earn $46,490 annually with 7% projected growth from 2024 to 2034 according to O*NET, while phlebotomists earn $43,660 with 6% projected growth from BLS data for the same period. Both careers sit within the broader healthcare support occupational group.
Phlebotomist Wages and Growth
Phlebotomists earn a median annual wage of $43,660 according to BLS data for May 2024. Wages vary by setting and region: outpatient care centers and medical and diagnostic laboratories tend to pay above the median, while physician offices and ambulatory care settings tend to pay below. BLS projects 6% employment growth from 2024 to 2034, about as fast as the average for all occupations.
Sterile Processing Technician Wages and Growth
Sterile processing technicians are listed under the Medical Equipment Preparers occupation, code 31-9093. O*NET data for May 2024 reports a median annual wage of $46,490 with 7% projected growth in the occupation from 2024 to 2034. Earnings rise in specialty roles like operating room turnover, flexible endoscope processing, sterile processing supervision, and travel positions that cover short-term staffing gaps for healthcare facilities.
If these salary and demand figures fit your goals, compare phlebotomy and sterile processing programs on Dreambound to see what is open in your state and format.
State Licensing and Workplace Requirements
Phlebotomy and sterile processing have different regulatory architectures. Phlebotomy is individually licensed in four states, while sterile processing technicians face workplace-level certification requirements in a different set of states. The two systems look similar at first glance but work differently in practice, and they affect career planning in different ways.
Phlebotomy State Licensure
California, Louisiana, Nevada, and Washington require an individual practitioner license to draw blood. California's Certified Phlebotomy Technician I pathway requires 40 hours of didactic instruction plus 40 hours of clinical training, 50 documented venipunctures and 10 skin punctures, and direct school-to-state transcript submission through the California Department of Public Health. Louisiana, Nevada, and Washington each maintain their own training, exam, or apprenticeship pathways. The other 46 states do not require individual phlebotomy licensure, though most employers still expect national certification.
Sterile Processing State Requirements
Tennessee Code Section 68-11-239 requires sterile processing technicians employed in a healthcare institution to obtain HSPA CRCST or CBSPD CSPDT certification within two years of hire, with a 10-hour annual continuing education minimum and a grandfathering provision for technicians employed before January 1, 2017. Connecticut, Delaware, Florida, Massachusetts, New Jersey, New York, and Pennsylvania have comparable workplace-level certification expectations for sterile processing staff.
The practical difference comes down to where the credential attaches. In phlebotomy-licensed states, the license attaches to the person and is required before drawing blood. In sterile-processing-regulated states, the certification attaches to the workplace's compliance with healthcare facility rules and is typically obtained on the job within a defined window after hire.
Role Overlap and Career Mobility
The two careers do not overlap in duties; one draws blood, the other sterilizes surgical instruments. They do share entry-level credentialing patterns, though, and they often act as stepping stones into broader healthcare roles. Phlebotomists who want to move deeper into the lab side often progress to medical laboratory technician or medical laboratory scientist roles with further coursework. Sterile processing technicians who advance frequently move into surgical technologist, sterile processing supervisor, or operating room logistics roles.
Cross-credentialing between the two careers is realistic. A phlebotomist can earn the CRCST or CSPDT and move into sterile processing, and a sterile processing technician can earn the PBT or CPT and move into phlebotomy. Each direction requires the new credential's exam and any hands-on hours that exam expects, but the underlying healthcare background transfers cleanly. Some technicians end up holding both credentials at different points in their career.
Which Career Is the Right Fit for You?
The choice usually comes down to two things: whether you want patient-facing or behind-the-scenes work, and whether your schedule can accommodate in-person clinical training. The salary and demand picture is close enough between the two careers that the training format and day-to-day work tend to decide the call.
Phlebotomy tends to be the stronger fit when:
- You want direct patient interaction and can stay composed with nervous patients.
- You learn well through hands-on clinical practice and can commit to the in-person component of your training.
- You want exposure to a wider range of work settings (hospitals, donation centers, diagnostic labs, mobile collection, physician offices).
- You are open to specialization paths inside lab science with further education.
Sterile processing tends to be the stronger fit when:
- You prefer focused, procedural work with minimal patient contact.
- You need a training format that can be completed fully online around a job or family commitments.
- You are detail-driven and comfortable with multi-step protocols where small errors carry safety consequences.
- You are open to specialty advancement paths like OR turnover, scope processing, supervision, or travel roles.
Either career can act as a stepping stone into deeper healthcare work, and many healthcare workers move between adjacent roles over a career.
Phlebotomy and Sterile Processing Programs on Dreambound
Dreambound is a free platform that helps you compare training programs across the United States.
According to Dreambound's 2025 Student Choice and Interest Report, phlebotomy was the #1 chosen program on the platform in both 2024 and 2025, with 1,193 saves in 2025. Holding the top spot two years running tells you demand on the platform is sustained rather than seasonal. Sterile processing draws from a similar prospective-student profile: short timeline, a clear national credential, and a healthcare entry path that does not require a degree.
