The ICD-10 Code Structure accommodates for the expanded number of characters in diagnosis codes which allows a greater specificity to identify disease etiology, anatomic site, and severity as can be seen from the diagram below.
The following infographic is an example of the ICD 10 code for S52.521A, which is self-explanatory and shows the more detailed information gained through the added characters.
The example of the forearm fracture above demonstrates the use of the full code titles, unlike that used for the ICD-9 diagnosis code set.
