Final answer:
To assign a correct ICD code, one must look up the main term in the Alphabetic Index, find subterms if needed, cross-reference with the Tabular List, and choose the right extension digits. These codes are crucial for multiple aspects of healthcare.
Step-by-step explanation:
Steps for Assigning the Correct ICD Code
- Look up the main term that describes the patient's condition in the Alphabetic Index.
- Find the appropriate subterm according to the site or source of disease if necessary.
- Cross-reference the code from the Alphabetic Index with the Tabular List.
- Choose the appropriate fourth through seventh digit if necessary.
When assigning ICD codes for medical diagnosis, the above steps should be followed in sequence to ensure accurate coding. Medical professionals, such as clinicians and coders, utilize these codes for various purposes including ordering laboratory tests, prescribing treatments, recording procedures, and calculating morbidity and mortality statistics. Locations where ICD codes are likely to be found include medical laboratories and health-care management systems.