AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2020 Issue 4; New/Revised ICD-10-CM Codes

Immunodeficiency Status

New codes were created to report specific causes for a patient’s immunocompromised state. An immunocompromised state refers to the weakened condition of an individual’s immune system that makes it less able to fight infections and other diseases. Treating a patient who is immunocompromised poses more risks and challenges; therefore, it is important to identify a patient with this status. Code D84.821, Immunodeficiency due to drugs, was created for immunodeficiency due to medications that interfere with the immune system. These medications include but are not limited to immunosuppressants, corticosteroids and chemotherapy. Code D84.822, Immunodeficiency due...

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