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. Chloroquine and proguanil malaria tablets Medicare allowable testing for chloroquine therapy Chloroquine stock T37.8X5A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Short description Adverse effect of systemic anti-infect/parasit, init The 2020 edition of ICD-10-CM T37.8X5A became effective on October 1, 2019. H35.389 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2020 edition of ICD-10-CM H35.389 became effective on October 1, 2019. This is the American ICD-10-CM version of H35.389 - other international versions of ICD-10 H35.389 may differ. Z79.899 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2020 edition of ICD-10-CM Z79.899 became effective on October 1, 2019. This is the American ICD-10-CM version of Z79.899 - other international versions of ICD-10 Z79.899 may differ. 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 icd 10 Visual Fields and Plaquenil Medical Billing and Coding., ICD-10-CM Diagnosis Code H35.389 Toxic maculopathy. Chloroquine fish foodCould you develop a rash 3 weeks after starting hydroxychloroquineIngredients hydroxychloroquineChloroquine kills sporozoites Question What is an appropriate ICD-10 code for a patient who has completed their Plaquenil treatment? Answer Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm may be appropriate, but it really depends on your payer. ICD-10 Code for Completion of Plaquenil Treatment - American.. ICD-10-CM Diagnosis Code Z79.899 Other long term.. ICD 10 for Plaquenil Medical Billing and Coding Forum - AAPC. Question What is the best way to code for Plaquenil toxicity observation first, if the patient was referred by the family doctor for a baseline exam prior to the start of treatment; second, if the patient returns six months after the start of treatment to assess ocular changes; and, third, if the patient returns six months later and shows adverse ocular changes? Hydroxychloroquine ICD-10-CM Drugs Index. The ICD-10-CM Drugs Index is designed to allow medical coders to look up various medical terms and connect them with the appropriate ICD codes. There are 0 terms under the parent term 'Hydroxychloroquine' in the ICD-10-CM Drugs Index. Question Which diagnosis code should I use to report visual field tests for patients on Plaquenil? Arizona Subscriber Answer Plaquenil is the trade name for hydroxy-chloroquine, a medication used to treat rheumatoid arthritis and lupus.