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Neurosurgery Coding:

Age May Not Be the Only Difference Between Early-, Late-Onset Alzheimer’s

Published on Mon Oct 26, 2026

Question: What is the difference between early- and late-onset Alzheimer’s disease, and what are the diagnosis codes for each type? Oregon Subscriber Answer: Age is the most critical distinction — but it isn’t always the only difference between the two Alzheimer’s presentations. The basics: Early-onset Alzheimer’s develops before the patient turns 65; though it is rare, Alzheimer’s can even develop [...]
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