Medical billing services in the USA are professional solutions that manage the entire billing and revenue cycle process for healthcare providers, including hospitals, clinics, and private practices. These services handle critical tasks such as verifying patient insurance, coding medical procedures with ICD-10, CPT, and HCPCS codes, submitting claims to insurance companies, and following up on denials or unpaid claims. They also ensure compliance with HIPAA regulations and ever-changing payer policies, reducing billing errors and improving reimbursement rates.