1. Evaluation and Management codes
2. Anesthesiology codes
3. Surgery codes
4. Radiology codes
5. Pathology and Laboratory codes
6. Medicine codes
Category I code examples are:
99201 - Evaluation and Management service for a new patient.
11200 – Removal of skin tags.
Category II codes are known as supplemental tracking codes and can be used in performance measures. Category II codes are known as optional codes. The codes describe clinical components that may be included in the evaluation and management services. This category is not paid by insurance companies and the codes are used to help develop the best care and to improve documentation. This category contains procedures and services like:
1000F - Tobacco use assessed.
1005F - Asthma symptoms evaluated.
2000F – Blood pressure measured.
Category III codes will allow data collection for procedures and services. Codes in this category are used for emerging technology, procedures and services. If there is a category III code that is available for the services rendered then this code must be used instead of an unlisted code from category I. Category III codes are known as temporary and have an alphabet for the fifth digit of the code. This category contains procedures and services like:
0075T - Transcatheter placement of extracranial vertebral or intrathoracic carotid artery stent.
0103T - Holotranscobalamin, quantitative.
0210T – Speech audiometry threshold,