Healthcare Billing: CCAM Codes and NHS Reimbursement

Introduction

Healthcare billing represents a major challenge for all players in the French healthcare system. Between the Common Classification of Medical Procedures (CCAM), agreements with Mandatory Health Insurance (AMO) and Supplementary Health Insurance (AMC), and multiple regulatory constraints, mastering pricing processes has become essential. Incorrect billing can result in reimbursement rejections, significant financial losses, or even administrative sanctions from the Health Insurance Fund (CPAM). This comprehensive guide is intended for public healthcare facilities, private clinics and self-employed healthcare professionals wishing to optimise their financial management whilst complying with the legal framework defined by the French Public Health Code.

Understanding CCAM Nomenclature

The CCAM, which came into force in 2005, replaces the former General Nomenclature of Professional Procedures (NGAP) for technical medical procedures. It lists over 7,600 codes organised according to a 7-character alphanumeric structure. Each code precisely identifies a medical procedure, its anatomical location, and its method of performance.

CCAM pricing is based on several components: the base rate, modifiers (emergency, night-time, Sunday), and any potential supplements. For example, code HBFA005 corresponds to the extraction of a permanent tooth, charged at €33.44 in sector 1. Practitioners must ensure accurate coding to avoid overpayment, as the CPAM has the power to conduct retrospective audits over a 3-year period, in accordance with article L.133-4 of the French Social Security Code.

Regular updates to the CCAM, under the aegis of the French Health Authority (HAS) and UNCAM, require continuous monitoring. Pricing changes are published in the Official Journal and integrated into approved billing software.

The AMO-AMC System and Agreements

Healthcare reimbursement in France is based on a dual mechanism. Mandatory Health Insurance (AMO) covers a proportion of costs according to the conventional rate (70% for a general practitioner consultation, 60-100% for technical procedures depending on their nature). Supplementary Health Insurance (AMC) provides additional cover through mutual funds and health insurance providers.

National agreements signed between UNCAM and professional unions define applicable rates. Doctors are divided into sector 1 (conventional fees), sector 2 (free fees with excess charges) or non-conventional. Since 2017, OPTAM (Controlled Tariff Practice Option) has limited excess charges in exchange for social benefits.

Transmission via the SESAM-Vitale standard is mandatory to benefit from dematerialised flows. Universal third-party payment, as provided for by the 2016 healthcare system modernisation law, applies for long-term care conditions, maternity care, universal health coverage (CMU-C) and state medical assistance (AME).

Optimisation of the Billing Chain

Efficient billing requires the integration of several tools: approved HDS (Health Data Hosting) medical software, Vitale card reader, connection to the ADRi teleservice for real-time eligibility verification. Hospital establishments use Activity-Based Funding (T2A) with Homogeneous Grouping of Hospital Stays (GHS), whilst self-employed practitioners primarily rely on CCAM and NGAP.

Managing rejections is a critical area: a rejection rate above 3% generally indicates structural problems. Analysis of reasons (error codes R, LR) makes it possible to identify areas for improvement: outdated eligibility, obsolete codes, coding inconsistencies.