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  • Glaucoma ICD-10 Ask the Expert

    ICD-10 Code for Primary Open-Angle Glaucoma


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    Question: How do I code for a patient who has primary open-angle glaucoma (POAG)?

    Answer: Effective Oct. 1, 2016, you must identify laterality in the sixth position of the ICD-10 code:

    1. Right eye
    2. Left eye
    3. Bilateral 

    The code is still seven characters long and ends with staging:

    1. Mild
    2. Moderate
    3. Severe
    4. Indeterminate

    For example, H40.1123 indicates severe stage POAG in the left eye.