Testing services performed should have the high-risk medication diagnosis as the primary diagnosis since that is the reason for the testing.. Atients taking Plaquenil (hydroxychloroquine, Sanofi-Aventis) on a long-term basis may leave you scratching your head when it comes to coding the patient encounters. Hydroxychloroquine pregnancy class Plaquenil in treatment of porphyria Chloroquine diphosphate selleckchem For the baseline exam done before the patient is taking Plaquenil, use an E/M code with the arthritis as the primary diagnosis. And if you do see adverse changes during a follow-up check for Plaquenil toxicity in most parts of the country you should still use V58.69 as the primary diagnosis. Other long term current drug therapy. Z79.899 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 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. While this clinical example focuses on Plaquenil, the concept works for any long-term medication. Although coding for long-term medications is not a difficult process, it often involves communicating with other physicians or specialists to obtain accurate information. Icd10 plaquenil therapy Search Page 9/20 plaquenil use - ICD-10, Plaquenil Eye Exam Icd 10 - Antiboptics and plaquenilPlaquenil baseline testingBob & aralene goldberg foundationPlaquenil birthChloroquine and brain cancer Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Although not all of these side effects may occur, if they do occur. Plaquenil Side Effects Common, Severe, Long Term -. Coding Long-term Medications. ICD-9-CM Diagnosis Code V58.69 Long-term current use.. Short description LONG-TERM USE MEDS NEC. ICD-9-CM V58.69 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, V58.69 should only be used for claims with a date of service on or before September 30, 2015. Other long term current drug therapy 2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt 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. Hydroxychloroquine is a quinoline medicine used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria.