Medical coding is the process of converting specific information about patient diagnoses, medical procedures, and healthcare services into globally accepted alphanumeric code. These codes are used for a variety of purposes, including billing, insurance claims, and maintaining accurate and standardized health records. The two primary coding systems in medical coding are the International Classification of Diseases (ICD) system, which codes for diagnoses, and the Current Procedural Terminology (CPT) system, which codes for medical procedures and services. 

Medical coding certification is an important step for anyone looking to prove their knowledge in the complex field of healthcare documentation. These certificates, such as the Certified Professional Coder (CPC) or Certified Coding Specialist (CCS), certify to the ability to assign accurate codes to medical procedures, diagnoses, and services. 

These credentials, which are awarded by reputable organizations such as the American Academy of Professional Coders (AAPC) and the American Health Information Management Association (AHIMA), demonstrate a thorough understanding of coding standards, compliance regulations, and the ability to navigate complex healthcare systems. The American Academy of Professional Coders (AAPC) offers the Certified Professional Coder (CPC) credential, which indicates expertise in CPT, ICD-10-CM, and HCPCS Level II coding.