R00-R99
Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
14 sections in this chapter
Sections
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
