I have been coding acute exacerbation of COPD to 491.21, as directed in the ICD manual. I have a biller that is in disagreement because the documentation we have doesn't state Obstructive Chronic Bronchitis as stated by code 491.2 in the ICD manual. I have tried to explain the interrelationship between brochitis, copd, and emphysema to no avail.
So please, any advice or I guess confirmation would be greatly appreciated
Thank you in advance.
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