Be Prepared for “Dual Coding Systems”

We got close to the ICD-10-CM finish line but it was delayed once again. Unless there is yet more legislation to further delay or stop it, ICD-10-CM will become mandatory as of October 1, 2015. But don’t throw out your ICD-9-CM coding books yet…because you are going to need them. RE FOR DUAL CODING SYSTEMS 

While ICD-10-CM codes must be reported for all medical services provided on or after October 1, 2015, ICD-9-CM codes must be reported for all services provided before October 1, 2015, regardless of when the claim is filed. For example; you see a patient on September 15, 2015 but don’t file the insurance claim until October 20, 2015.  ICD-10-CM is now mandatory, but you must use ICD-9-CM for this claim due to the date of service. You see a patient in the hospital several times during the week prior to October 1, 2015 and you file claim forms for those visits using ICD-9-CM. You see the same patient, for the same conditions, several times after October 1, 2015. You file claim forms for those visits using ICD-10-CM. Questions, delays or denials from insurance companies regarding this series of claims could be for ICD-9-CM and/or ICD-10-CM and continue for months after the claims were filed. This is why you need to be prepared for “dual coding systems.”

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