Answer:
ICD-10-CM (Clinical Modification) alphabetic index´s main terms are:
- Diseases and injuries.
- External causes of injury.
- Neoplasms
- Drugs
- Chemicals
and they are used to access the symptom and abnormal finding.
Explanation:
This list of terms and their corresponding codes, helps to determine which section to refer to in the tabular list and then further look for code to determine if, for example, a neoplasm is benign or malignant, in situ (confined or noninvasive), or an specific behavior.
It isimportant that to select the proper code in the correspondinf column in the table and that a more specific site code does not exist.