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Medical Coder Jobs in O Fallon, IL (NOW HIRING)

Varsity Tutors

CPC Tutor

Saint Louis, MO · Remote

$18 - $40/hr

Deep knowledge of CPC examination content covering medical coding using CPT, ICD-10-CM, and HCPCS Level II code sets, anatomy and physiology, medical terminology, coding guidelines, compliance, and ...

Family Care Health Centers

MEDICAL ASSISTANT

Saint Louis, MO · On-site

$16.75 - $21.25/hr

Adheres to FCHC's dress code policies. Employee appearance and grooming appropriate. Show(s ... MEDICAL ASSISTANT MEDICAL ASSISTANT III. PRIMARY RESPONSIBILITIES: * Works with the care team and ...

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All JobsMedical Coder JobsMedical Coder Jobs in O'Fallon, IL

Medical Coder information

See O Fallon, IL salary details

$14

$20

$32

How much do medical coder jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for medical coder in O'Fallon, IL is $20.92, according to ZipRecruiter salary data. Most workers in this role earn between $16.83 and $22.40 per hour, depending on experience, location, and employer.

What is a medical coder?

Medical coders are healthcare professionals who review clinical documents and translate medical diagnoses, procedures, and services into standardized codes. These codes are used for billing, insurance claims, and maintaining accurate patient records. Medical coders play a crucial role in ensuring healthcare providers are reimbursed correctly and that records comply with regulatory requirements. They must have a strong understanding of medical terminology, anatomy, and the coding systems used in healthcare, such as ICD-10, CPT, and HCPCS.

What does a medical coder do?

A medical coder works in the billing department of doctor's offices, hospitals, or other medical facilities. Medical coders transfer healthcare claims into universal medical codes for insurance reimbursement. To work as a medical coder, you must have great attention to detail and a solid base knowledge of medical terminology, procedure and visit authorizations, and insurance billing procedures. Having a degree is not required, but many employers prefer candidates who have an associate degree in medical coding or the Certified Professional Coder (CPC) credential. When you first start in this job, your employer may have you shadow other billing staff members and be supervised when you submit your first few claims.

What are the key skills and qualifications needed to thrive as a medical coder, and why are they important?

To thrive as a Medical Coder, you need a solid understanding of medical terminology, anatomy, and coding systems, often supported by a certification such as CPC, CCS, or CCA. Familiarity with electronic health record (EHR) systems and coding software like ICD-10-CM, CPT, and HCPCS is typically required. Attention to detail, analytical thinking, and strong organizational skills help ensure accurate and efficient code assignment. These skills are crucial to maximize reimbursement, maintain compliance, and reduce billing errors in healthcare settings.

What are some common challenges medical coders face when working with complex patient records?

Medical coders often encounter challenges when interpreting complex patient records, such as incomplete physician documentation or ambiguous medical terminology. Accurately assigning the correct codes requires strong attention to detail and frequent communication with healthcare providers to clarify information. Staying updated on coding guidelines and regulations is essential, as errors can impact billing and compliance. Many coders find that developing effective organizational habits and leveraging coding software helps manage these challenges efficiently.

What is the difference between Medical Coder vs Medical Biller?

AspectMedical CoderMedical Biller
CertificationsCertified Professional Coder (CPC), Certified Coding Specialist (CCS)Certified Medical Reimbursement Specialist (CMRS), Certified Professional Biller (CPB)
Work EnvironmentHospitals, clinics, physician offices, insurance companiesMedical offices, billing companies, hospitals
Primary ResponsibilitiesAssigning codes to diagnoses and procedures based on medical recordsSubmitting claims, following up on payments, managing billing processes

Medical coders and medical billers work closely in healthcare revenue cycle management. While medical coders focus on translating medical records into standardized codes, medical billers handle the billing process to ensure healthcare providers are reimbursed. Both roles require understanding of healthcare documentation and often share certifications, but their core functions differ in coding versus billing tasks.

How much money do you make as a medical coder?

Medical coders typically earn a median annual salary of around $50,000 to $55,000, with entry-level positions starting lower and experienced coders earning more. Salaries can vary based on certification, experience, location, and work setting, such as hospitals or outpatient clinics.

Is it hard to get hired as a medical coder?

Getting hired as a medical coder can be competitive, but having relevant certifications such as CPC or CCS and strong attention to detail improves job prospects. Employers often look for familiarity with coding software and healthcare documentation, and entry-level positions are available for those with proper training.

Is medical coding still a good career?

Medical coding is a stable and in-demand profession due to the ongoing need for accurate medical record documentation and billing. Certified coders with knowledge of coding systems like ICD-10 and CPT, along with strong attention to detail, are well-positioned for employment in healthcare settings. The field offers opportunities for remote work and career advancement.
More about Medical Coder jobs

What are the most commonly searched types of Medical Coder jobs in O'Fallon, IL?

The most popular types of Medical Coder jobs in O'Fallon, IL are:

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For Medical Coder jobs in O'Fallon, IL, the most frequently searched job titles are:

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Cities near O'Fallon, IL with the most Medical Coder job openings:

Medical Coder jobs near you
Infographic showing various Medical Coder job openings in O'Fallon, IL as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 12% Part Time, and 6% Contract. Highlights an 89% Physical, 1% Hybrid, and 10% Remote job distribution, with an average salary of $43,504 per year, or $20.9 per hour.

Pre-Certification Coordinator II - Pediatric Endocrinology

Washington University

Saint Louis, MO • On-site

$23.63 - $35.49/hr

Full-time

Medical, Retirement, PTO

Re-posted 14 days ago

Key responsibilities

  • Initiates and facilitates the prior authorization process for medical, surgical, diagnostic, and ancillary services.

  • Contacts insurance companies to verify benefits, obtain pre-certification, and provides necessary documentation during the pre-certification process.

  • Maintains a written log of all pre-certifications in process and notifies relevant departments when pre-certification is received.

Job description

Location
SAINT LOUIS, MO 63110Scheduled Hours
40
Position Summary
Position performs prior-authorization services to ensure medical/surgical and diagnostic/ancillary services are accomplished in an efficient manner and that reimbursement is maximized through required interaction with payers.
Job Description
Primary Duties & Responsibilities:
  • Initiates and facilitates prior authorization process.
  • Contacts appropriate insurance companies for benefit verification and pre-certification of surgical and non-surgical procedures, outpatient testing, and medications; notifies financial counselor for pre-payment of un-coded services.
  • Supplies all documentation required during pre-certification process to insurance companies.
  • Maintains written log of all pre-certifications in process; notifies hospital utilization/billing department of pre-certification.
  • Documents when pre-certification is received from insurance companies.
  • Performs other duties as assigned.

Working Conditions:
Job Location/Working Conditions:
  • Normal working environment.
  • Non-patient facing.

Physical Effort:
  • Typically sitting at desk or table.
  • Repetitive wrist, hand or finger movement.

Equipment:
  • Office equipment.

The above statements are intended to describe the general nature and level of work performed by people assigned to this classification. They are not intended to be construed as an exhaustive list of all job duties performed by the personnel so classified. Management reserves the right to revise or amend duties at any time.
Required Qualifications
Education:
High school diploma or equivalent high school certification or combination of education and/or experience.
Certifications/Professional Licenses:
No specific certification/professional license is required for this position.
Work Experience:
Clinical Office, Medical Billing, Health Information Management (Him), Or Pre-Certification (3 Years)
Skills:
Not Applicable
Driver's License:
A driver's license is not required for this position.
More About This Job
WashU seeks highly motivated individuals who are able to perform duties in a manner consistent with our core mission and guiding principles.
Preferred Qualifications
Education:
Associate degree
Certifications/Professional Licenses:
Certified Professional Coder (CPC) - American Academy of Professional Coders (AAPC), Registered Health Information Technician (RHIT) - American Health Information Management Association (AHIMA)
Work Experience:
No additional work experience unless stated elsewhere in the job posting.
Skills:
Communication, Detail-Oriented, Epic EHR, Fast-Paced Environments, Health Insurance Portability & Accountability Act (HIPAA), Insurance Claim Processing Software, Insurance Precertification, Insurance Terminology, Interpersonal Communication, Medical Coding Software, Multitasking, Organizational Savvy, Prioritization
Grade
C09-H
Salary Range
$23.63 - $35.49 / Hourly
The salary range reflects base salaries paid for positions in a given job grade across the University. Individual rates within the range will be determined by factors including one's qualifications and performance, equity with others in the department, market rates for positions within the same grade and department budget.
Questions
For frequently asked questions about the application process, please refer to our External Applicant FAQ.
Accommodation
If you are unable to use our online application system and would like an accommodation, please email CandidateQuestions@wustl.edu or call the dedicated accommodation inquiry number at 314-935-1149 and leave a voicemail with the nature of your request.
All qualified individuals must be able to perform the essential functions of the position satisfactorily and, if requested, reasonable accommodations will be made to enable employees with disabilities to perform the essential functions of their job, absent undue hardship.
Pre-Employment Screening
All external candidates receiving an offer for employment will be required to submit to pre-employment screening for this position. The screenings will include criminal background check and, as applicable for the position, other background checks, drug screen, an employment and education or licensure/certification verification, physical examination, certain vaccinations and/or governmental registry checks. All offers are contingent upon successful completion of required screening.
Benefits Statement
Personal
  • Up to 22 days of vacation, 10 recognized holidays, and sick time.
  • Competitive health insurance packages with priority appointments and lower copays/coinsurance.
  • Take advantage of our free Metro transit U-Pass for eligible employees.
  • WashU provides eligible employees with a defined contribution (403(b)) Retirement Savings Plan, which combines employee contributions and university contributions starting at 7%.

Wellness
  • Wellness challenges, annual health screenings, mental health resources, mindfulness programs and courses, employee assistance program (EAP), financial resources, access to dietitians, and more!

Family
  • We offer 4 weeks of caregiver leave to bond with your new child. Family care resources are also available for your continued childcare needs. Need adult care? We've got you covered.
  • WashU covers the cost of tuition for you and your family, including dependent undergraduate-level college tuition up to 100% at WashU and 40% elsewhere after seven years with us.

For policies, detailed benefits, and eligibility, please visit: https://hr.wustl.edu/benefits/
EEO Statement
Washington University in St. Louis is committed to the principles and practices of equal employment opportunity. It is the University's policy to provide equal opportunity and access to persons in all job titles without regard to race, ethnicity, color, national origin, citizenship (where prohibited by federal law), age, religion, sex, sexual orientation, gender identity or expression, disability, protected veteran status, or genetic information.

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