Symbolic icons are usually low color or monochrome and intended to match the foreground font color. They may be used where a high color, detailed representation isn't warranted.Sep 18, 2020
Triangle (delta) symbols are used to indicate a substantial alteration in the procedure descriptor.
Lightning bolt ⚡️ This symbol preceding the code number in the left margin signifies that the code is for a vaccine that is pending food and drug administration approval; all codes with the symbol are located in the medicine section of CPT.
Circle ( O ) Indicates a reinstated or recycled code in Category III of CPT. Number Sign ( # ): Indicate an out-of-numerical sequence code.