Does the national medical insurance code belong to Class A or Class B?

The national medical insurance code belongs to the category B medical insurance commodity catalogue. According to the national medical insurance policy, the scope of medical insurance payment is divided into Class A and Class B. Class A includes drugs, medical materials and medical services in the medical insurance catalogue, and the proportion of medical insurance payment is basically 100%. The second category is drugs, medical materials and medical services that are not in the medical insurance catalogue, and the proportion of medical insurance payment is low. National medical insurance coding is only a coding method used in the catalogue of Class B medical insurance products, which is mainly used for unified management and supervision of medical insurance products such as drugs and medical materials.