Final answer:
The rule of not coding solely from the alphabetical index of manuals is important in accurate coding. Relying solely on the alphabetical index can lead to incorrect coding and significant consequences. It is important to follow the comprehensive set of guidelines and rules for accurate coding.
Step-by-step explanation:
Using the alphabetical index of manuals as your only source of information is one of the first coding guidelines. This is significant because assigning codes correctly requires adhering to a complicated set of rules and guidelines. Although it might offer a place to start, the alphabetical index lacks the complete context and criterion required for precise coding.
Someone coding only from the alphabetical index runs the risk of omitting crucial information or particular directions that are necessary to figure out the right code. This can result in improper coding, which could have serious repercussions like incomplete medical billing, possible legal problems, and harmed patient care.