Chapter XVIII
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
R00-R99
Chapter XVIII contains 13 code groups. Select a group below to view detailed ICD-10 codes.
R00-R09Symptoms and signs involving the circulatory and respiratory systemsR10-R19Symptoms and signs involving the digestive system and abdomenR20-R23Symptoms and signs involving the skin and subcutaneous tissueR25-R29Symptoms and signs involving the nervous and musculoskeletal systemsR30-R39Symptoms and signs involving the urinary systemR40-R46Symptoms and signs involving cognition, perception, emotional state and behaviourR47-R49Symptoms and signs involving speech and voiceR50-R69General symptoms and signsR70-R79Abnormal findings on examination of blood, without diagnosisR80-R82Abnormal findings on examination of urine, without diagnosisR83-R89Abnormal findings on examination of other body fluids, substances and tissues, without diagnosisR90-R94Abnormal findings on diagnostic imaging and in function studies, without diagnosisR95-R99Ill-defined and unknown causes of mortality
