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Thread: Coding Dx for Outside Reference Labs

  1. #1

    Default Coding Dx for Outside Reference Labs

    AAPC: Back to School
    We have recently started using LabCorp at our office and bill for labs as outside reference, rather than having LabCorp bill the insurance companies (with the exception of Medicare, Medicaid, etc.). My question is that the Dr. in my office told me that when we are billing for the labs, she wants me to code the Dx's off the results rather than bill with the indication for the labs. I was speaking with my step-father who is also an MD about this and he said that we could not do this, that we have to bill the labs based off of the indication. Does anyone know which is correct? Or does is matter?


  2. #2


    Thought I should add that the labs I'm referring to are for blood work, such as Preventive Panels, Vitamin D, etc. Thanks!!

  3. #3
    Join Date
    Apr 2007
    Columbia, MO


    labs are most usually coded from the symptoms or indication for the lab, screenings are always coded as screening. To code from the result you will need to hold the claim and wait for your physician to document the diagnosis in the patient's chart. A coder may not code from lab results. You may do this and code the dx that is rendered by the physician, howere as stated screening is always to be coded as screening.

    Debra A. Mitchell, MSPH, CPC-H

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