Additionally, another exception occurred while executing the custom error page for the first exception. A 45-year-old black female presented with no ocular or visual complaints. However, her medical history was significant for a recent diagnosis of lupus. Chloroquine overdose treatment Chloroquine hydrochloride dosage Question How should we code exams for patients on high-risk medications in ICD-10? Answer When the doctor finds no pathology, code the systemic disease, such as L93.0 Lupus or M06.09 Rheumatoid arthritis. ICD-10's Z79.899 Other long term current drug therapy should be linked to any tests performed. Oct 01, 2019 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. Multifocal Electroretinopathy measures electrical responses of various cell types in the retina. It is thought that although the bull’s eye seen on ophthalmic exam represents a disruption of the pigmented part of the retina, it is the photoreceptors that are the targets of hydroxychloroquine toxicity. Although the incidence of macular toxicity is infrequent with Plaquenil use (at a dosage of 200mg or 400mg q.d.), its visual impact can be devastating. Her rheumatologist instructed her to undergo a baseline ocular examination prior to initiating Plaquenil (hydroxychloroquine, Sanofi-Aventis) therapy. Toxic maculopathy associated with chloroquine use was first documented in the literature five decades ago.1 In the United States, Plaquenil––an analog to chloroquine––is used to treat a variety of conditions, including rheumatoid arthritis, lupus and several distinct inflammatory disorders. Code for plaquenil eye exam Correct diagnosis for a Plaquenil exam - American Academy of Ophthalmology, ICD-10-CM Diagnosis Code Z79.899 Other long term. Chloroquine used for skin lupus 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. ICD-10-CM Diagnosis Code Z79.899 Other long term current drug.. My Take on New Ocular Screening Guidelines for Plaquenil RheumNow.. My Take on New Ocular Screening Guidelines for Plaquenil.. About eye health checks for people taking hydroxychloroquine. No one need face macular degeneration alone. For information and support call 0300 3030 111. Eye screening for patients taking hydroxychloroquine Plaquenil® Note. Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. The changes are most often permanent, but in some cases, vision has improved. Most rheumatologists recommend patients undergo a baseline eye examination prior to starting Plaquenil and be re-examined in the future depending on their risk for developing the condition. Risk factors include advanced age and having pre-existing retinal disease.