Answer:
Integrity, Expandability, Independence and Definition.
Step-by-step explanation:
The International Statistical Classification of Health-Related Diseases and Problems determines a classification and codification of diseases and a wide variety of signs, symptoms, abnormal outcomes, statements, social conditions, and external causes of harm and/or disease. An ICD-10-PCS was developed under four pillars. First is integrity, where a code for several procedures has been developed. Second, the expandability of the ICD-10-PCS allows them to be easily incorporated as codes. Third, multiaxial codes consisting of independent characters. Finally, the ICD-10-PCS includes definitions of all terminology used.