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. Keflex and plaquenil Plaquenil pregnancy drug class 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. CPT Exams Ask the Expert. Add to My To-Do List. Question I have heard conflicting information regarding the correct diagnosis for a Plaquenil exam. Should I use high-risk medication as my primary code? Answer When billing Plaquenil examinations, or any other high risk medication exams, it is appropriate to bill the systemic disease or any. 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. 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 ICD-10-CM Diagnosis Code Z79.899 Other long term., Correct diagnosis for a Plaquenil exam - American Academy. Generic plaquenil vs name brand ICD-10 Diagnosis Codes H35.381–Toxic Maculopathy, right eye H35.382–Toxic Maculopathy, left eye H35.383–Toxic Maculopathy, bilateral Title Toxic Maculopathy Of Retina. Category Other Retinal Disorders. Description Medications like plaquenil and chloroquine can induce degenerative changes in the ganglion cells and photoreceptor cells of the retina. H35.381-383 Toxic Maculopathy Of Retina - Decision-Maker PLUS. Coding exams for patients on high-risk medications - American.. Reader Question Use V Codes for Plaquenil Patients - CPT®, ICD-10, HCPCS. 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. ICD-10 Resources. Download the top 50 rheumatology ICD-10 codes and rheumatology specific superbill to use as quick guides for coding and billing. Note these should not take the place of the official ICD-10 coding manual as there are key guidelines and conventions that may not be included in the crosswalk due to space. 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.