Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
14 code blocks.
Blocks
- R00-R09Symptoms and signs involving the circulatory and respiratory systems8 categories
- R10-R19Symptoms and signs involving the digestive system and abdomen10 categories
- R20-R23Symptoms and signs involving the skin and subcutaneous tissue4 categories
- R25-R29Symptoms and signs involving the nervous and musculoskeletal systems4 categories
- R30-R39Symptoms and signs involving the genitourinary system9 categories
- R40-R46Symptoms and signs involving cognition, perception, emotional state and behavior7 categories
- R47-R49Symptoms and signs involving speech and voice3 categories
- R50-R69General symptoms and signs18 categories
- R70-R79Abnormal findings on examination of blood, without diagnosis9 categories
- R80-R82Abnormal findings on examination of urine, without diagnosis3 categories
- R83-R89Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis7 categories
- R90-R94Abnormal findings on diagnostic imaging and in function studies, without diagnosis5 categories
- R97Abnormal tumor markers (R97)1 categories
- R99Ill-defined and unknown cause of mortality (R99)1 categories