Although coding for long-term medications is not a difficult process, it often involves communicating with other physicians or specialists to obtain accurate information. While this clinical example focuses on Plaquenil, the concept works for any long-term medication. Does plaquenil make you sleepy Hydroxychloroquine maculopathy Plaquenil is most known for its original purpose treating and preventing malaria. Malaria is a disease caused by parasites that can enter the body through a mosquito bite. The essential ingredient, known as quinine, is derived from the bark of the cinchona plant. Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Antimalarials and drugs acting on other blood protozoa causing adverse effects in therapeutic use Short description Adv eff antimalarials. ICD-9-CM E931.4 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, E931.4 should only be used for claims with a date of service on or before September 30. Because Plaquenil does not have its own specific category, clinicians should use Z79.899—Other Long Term (Current) Drug Therapy. The ICD-10 section that covers long-term drug therapy is Z79, with many subsections and specific diagnosis codes. Plaquenil icd9 ICD-9-CM Diagnosis Code 362.10 Background retinopathy., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Hydroxychloroquine pka Efficacy and Safety of Hydroxychloroquine for Treatment of Pneumonia Caused by 2019-nCoV HC-nCoV The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Efficacy and Safety of Hydroxychloroquine for Treatment of.. ICD-9-CM Diagnosis Code E931.4 Antimalarials and drugs.. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis, prevent joint damage and reduce the risk of long- term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Answer When billing Plaquenil examinations, or any other high risk medication exams, it is appropriate to bill the systemic disease or any ocular manifestations as the primary diagnosis since many payers may not reimburse for the high-risk medication diagnosis as a stand-alone diagnosis. Testing services performed should have the high-risk medication diagnosis as the primary diagnosis since that is the reason for the testing. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more.