Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

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 genitourinary system

R40-R46

Symptoms and signs involving cognition, perception, emotional state and behavior

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

R97

Abnormal tumor markers

R99

Ill-defined and unknown cause of mortality