The most highly regarded associations offering certifications include:
AAPC–American Academy of Professional Coders
AHIMA–American Health Information Management Association
AMBA–American Billing Association
Certification exams available in California include:
CMRS–Certified Medical Reimbursement Specialist
CCA–Certified Coding Associate
CPC–Certified Professional Coder
CPC-P–Certified Professional Coder-Payer
COC–Certified Outpatient Coder