ICD-10-CM code M19.14 Post-traumatic osteoarthritis, hand contains an Excludes2 note for post-traumatic osteoarthritis of first carpometacarpal joint (M18.2-, M18.3-). The Excludes2 note means that .

Answer and Explanation:

It means that there is a disease that was not included in the diagnosis, that is, it was not mentioned, but presents itself in the patient and is part of the represented code. This means that the patient can have both diseases at the same time and that more tests should be done to confirm that this is really happening.

its probably to later but whats the question