It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Hydroxychloroquine method of action Hydroxychloroquine skin rash treatment Chloroquine and parkinson's disease Propranolol interactions with hydroxychloroquine The ICD-10 section that covers long-term drug therapy is Z79, with many subsections and specific diagnosis codes. Because Plaquenil does not have its own specific category, clinicians should use Z79.899—Other Long Term Current Drug Therapy. But getting the right code is just one step in the process of correctly documenting the encounter. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. According to the Mayo Clinic, it can take up to six months' constant use before an effect is seen in RA 1. Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over. For the diagnosis code, use V58.69 long-term current use; of other medications for the primary diagnosis, and then the diagnosis code which applies to the systemic condition for which the patient is taking Plaquenil e.g. 714.2, other rheumatoid arthritis with visceral systemic involvement. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. How to code long term use plaquenil Hydroxychloroquine Plaquenil, Long-Term Side Effects of Plaquenil for Rheumatoid. Plaquenil mechanism of action in lupusHydroxychloroquine sulfate 200 mg buy Codes from this category indicate a patient’s continuous use of a prescribed drug including such things as aspirin therapy for the long-term treatment of a condition or for prophylactic use. It is not for use for patients who have addictions to drugs. Long-term drug use question Medical Billing and Coding.. Ophthalmology Reader Question Coding for Plaquenil.. Plaquenil Uses, Dosage & Side Effects -. A 57-year-old female presented to the Ophthalmology clinic at UIHC complaining bilateral central photopsias for the past two years. She suffered from Sjogren syndrome and inflammatory arthritis and was currently treated with prednisone and methotrexate. She was previously treated with hydroxychloroquine Plaquenil 200mg bid 6.5mg/kg for 10 years, which was stopped one year prior to. Long-Term Medication Next, we need to code for the Plaquenil. There is not yet a specific code for Plaquenil, so we must choose “Long term current use of other drug therapy,” which is Z79.899. There are specific Z codes for anticoagulants, insulin, systemic steroids, aspirin, and many more so make sure you use the proper code. Adverse. Plaquenil hydroxychloroquine is considered an older DMARD disease modifying anti-rheumatic drug. Plaquenil was actually first classified as an antimalarial drug, but it is also used to treat certain rheumatic and autoimmune conditions which are unrelated to malaria. Generally, Plaquenil is a treatment option as monotherapy used alone for mild rheumatoid arthritis or as combination.