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Can adult failure to thrive be a primary diagnosis?

According to the Centers for Medicare & Medicaid Services (CMS), codes under the "Symptoms, Signs, and Ill-defined Conditions" category, such as adult failure to thrive (ICD-10 code R62.7), may not be used as a principal diagnosis for hospice claims. This indicates that **can adult failure to thrive be a primary diagnosis** is a nuanced question, often requiring a deeper look into the underlying medical reasons for a patient's decline.