灰皮病、毛周角化病、灰泥角化病和低顺应性膀胱的编码,其疑难主要因于疾病别名多、分类不一,主导词选定困难。选定主导词者,病历资料中有与疾病不完全一致影响进一步选择编码。通过与医师沟通解决分类疑虑;对分类不一者根据疾病的诊断依据选主导词。此外,查阅资料,了解疾病归属,扩充临床知识,结合正确的编码方法可解决疑难编码。 Dermatophagoidesiasis, keratosis epidermis, plaster keratosis and coding of low-compliance bladder, the difficulty is mainly due to the disease alias and more, different categories, the dominant selection difficult. The selected leader, the medical records are not exactly the same with the disease affect the further choice of coding. Through the communication with the physician to resolve classification concerns; different categories are based on the diagnosis of disease based on the selection of the leading word. In addition, access to information to understand the attribution of disease, expanding clinical knowledge, combined with the correct coding method can solve difficult coding.