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

Select subsection below

R00-R09 - Symptoms and signs involving the circulatory and respiratory systems
R10-R19 - Symptoms and signs involving the digestive system and abdomen
R20-R23 - Symptoms and signs involving the skin and subcutaneous tissue
R25-R29 - Symptoms and signs involving the nervous and musculoskeletal systems
R30-R39 - Symptoms and signs involving the urinary system
R40-R46 - Symptoms and signs involving cognition, perception, emotional state and behaviour
R47-R49 - Symptoms and signs involving speech and voice
R50-R69 - General symptoms and signs
R70-R79 - Abnormal findings on examination of blood, without diagnosis
R80-R82 - Abnormal findings on examination of urine, without diagnosis
R83-R89 - Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis
R90-R94 - Abnormal findings on diagnostic imaging and in function studies, without diagnosis
R95-R99 - Ill-defined and unknown causes of mortality