tci ED Coding & Reimbursement Alert - 2020 Issue Q4

You Be the Coder: Does Correlation Equate to Causation?

Question: I know all about avoiding the coding of diagnoses using probable, suspected, and other similar terminology, but what about the term “correlation”? For instance, if a provider says findings on a computed tomographic angiography (CTA) are “correlated” with aortic valve stenosis, does that meet the criteria for reporting it? Arizona Subscriber Answer: You already know you won’t find any guidance on this specific term within the ICD-10-CM guidelines. However, you should consider a widely known rule within the world of statistics to base your answer upon: “Correlation does not equal causation.” The idea...

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