Certified Electronic Health Records Specialist (CEHRS) Practice Exam

How many codes are used in ICD-10-CM for diagnosis?

1. 60,000

2. 100,000

3. 120,000

4. 150,000

The correct answer is: 120,000

The correct answer is based on the current structure of the ICD-10-CM codes, which encompasses a comprehensive range of medical diagnoses. The ICD-10-CM (International Classification of Diseases, Tenth Revision, Clinical Modification) consists of approximately 70,000 distinct codes. However, with variations in coding practices and the inclusion of new codes over time, the total count can approach around 120,000 when considering different combinations and additional specifications that are possible within the code set. This significant number reflects the meticulous detail necessary in classifying a vast array of diseases, conditions, and external causes of injury or diseases that healthcare providers encounter. The coding system is designed to ensure that healthcare data is standardized and can be universally understood, facilitating reporting, billing, and epidemiological studies. In contrast, the other numerical options do not accurately represent the current and recognized figures for the total amount of codes present in the ICD-10-CM, thereby confirming the validity of 120,000 as the most factually accurate choice.