Chapter: XVIII Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

ICD-10 Codes range: R00-R99

Number of Diseases: 260

This chapter in the ICD-10 classification includes a wide range of symptoms, signs, and abnormal findings from clinical exams or laboratory tests that don't have an immediate diagnosis or aren't classified under other specific categories. Examples could include unexplained fatigue, fever, pain, abnormal blood pressure readings, or abnormal blood test results. The purpose of this category is to document these findings which can be crucial in guiding further diagnostic testing and clinical decision making. It underscores the comprehensive and investigative nature of medicine, with the ultimate goal of reaching a clear diagnosis and effective treatment plan. Read more in the help section

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