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ICD-10-PCS codes are structured with a total of seven characters. Each character in the code serves a specific purpose and provides detailed information about the procedure performed. The first character specifies the section of the code, indicating what type of procedure it relates to—such as surgery, medical, or rehabilitation. The subsequent characters represent various aspects of the procedure, including the body system involved, the root operation (the specific action taken), the body part, the approach, the device used, and any qualifiers that may apply.

This seven-character system allows for a comprehensive and standardized way to classify procedures, ensuring that healthcare providers can precisely document and report on the services rendered. A shorter structure like five or six characters would not provide the necessary specificity required for accurate coding and billing in the healthcare system. Therefore, recognizing that ICD-10-PCS codes consist of seven characters is crucial for anyone involved in medical coding and billing.