Pattern of Retinopathy: Although the locus of toxic damage is parafoveal in many eyes, Asian patients often show an extramacular pattern of damage. Dose: We recommend a maximum daily HCQ use of 5.0 mg/kg real weight, which correlates better with risk than ideal weight. Chloroquine aralen Best time to take hydroxychloroquine Why did the price of hydroxychloroquine go up so much Plaquenil is often prescribed to our pt's for arthritis, which can affect the field of vision. When I send the claim billed as 92083 HVF with the Dx Z79.899 High risk meds, if often comes back denied. Marie Stamper, CMM Ward Eye Center, FL Answer Plaquenil hydroxychloroquine is a drug used to treat malaria, lupus erythematous, ormost commonlyrheumatoid arthritis. A potential side effect of the drug is ocular change that can affect the patients vision; the patient should be monitored regularly to check for these changes. Our office has been including a second diagnosis for the disease related to Plaquenil use. We aren't seeing denials using that method but from a coding standpoint I don't know if that is a 'more correct' coding or if we are just billing different insurances and getting different responses regardless of our using a second dx code. Risk of Toxicity: The risk of toxicity is dependent on daily dose and duration of use. There are no similar demographic data for CQ, but dose comparisons in older literature suggest using 2.3 mg/kg real weight. Plaquenil screening icd 10 Coding patterns used by ophthalmologists for hydroxychloroquine retinal., Coding for Plaquenil Toxicity Observation - CPT®, ICD-10, HCPCS Chloroquine vs zika Oct 01, 2019 2020 ICD-10-CM Diagnosis Code M32.9 Systemic lupus erythematosus, unspecified 2016 2017 2018 2019 2020 Billable/Specific Code M32.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. ICD-10-CM Diagnosis Code M32.9 Systemic lupus.. Visual Fields and Plaquenil Medical Billing and Coding.. ICD-10-CM Diagnosis Code Z79.899 Other long term.. 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. Oct 01, 2019 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. My Take on New Ocular Screening Guidelines for Plaquenil By Sergio Schwartzman, MD 12 October 2016 A recent article published by the American Academy of Ophthalmology AAO presented new recommendations for screening of patients being managed with hydroxychloroquine HCQ.