R00-R09
- Symptoms and signs involving the circulatory and respiratory systems (R00-R09)
R10-R19
- Symptoms and signs involving the digestive system and abdomen (R10-R19)
- congenital or infantile pylorospasm (Q40.0)
- gastrointestinal hemorrhage (K92.0-K92.2)
- intestinal obstruction (K56.-)
- newborn gastrointestinal hemorrhage (P54.0-P54.3)
- newborn intestinal obstruction (P76.-)
- pylorospasm (K31.3)
- signs and symptoms involving the urinary system (R30-R39)
- symptoms referable to female genital organs (N94.-)
- symptoms referable to male genital organs (N48-N50)
R20-R23
- Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)
- symptoms relating to breast (N64.4-N64.5)
R25-R29
- Symptoms and signs involving the nervous and musculoskeletal systems (R25-R29)
R30-R39
- Symptoms and signs involving the genitourinary system (R30-R39)
R40-R46
- Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
- symptoms and signs constituting part of a pattern of mental disorder (F01-F99)
R47-R49
- Symptoms and signs involving speech and voice (R47-R49)
R50-R69
- General symptoms and signs (R50-R69)
R70-R79
- Abnormal findings on examination of blood, without diagnosis (R70-R79)
- abnormal findings on antenatal screening of mother (O28.-)
- abnormalities of lipids (E78.-)
- abnormalities of platelets and thrombocytes (D69.-)
- abnormalities of white blood cells classified elsewhere (D70-D72)
- coagulation hemorrhagic disorders (D65-D68)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
- hemorrhagic and hematological disorders of newborn (P50-P61)
R80-R82
- Abnormal findings on examination of urine, without diagnosis (R80-R82)
- abnormal findings on antenatal screening of mother (O28.-)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
- specific findings indicating disorder of amino-acid metabolism (E70-E72)
- specific findings indicating disorder of carbohydrate metabolism (E73-E74)
R83-R89
- Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)
- abnormal findings on antenatal screening of mother (O28.-)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
- abnormal findings on examination of blood, without diagnosis (R70-R79)
- abnormal findings on examination of urine, without diagnosis (R80-R82)
- abnormal tumor markers (R97.-)
R90-R94
- Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94)
- nonspecific abnormal findings on diagnostic imaging by computerized axial tomography [CAT scan]
- nonspecific abnormal findings on diagnostic imaging by magnetic resonance imaging [MRI][NMR]
- nonspecific abnormal findings on diagnostic imaging by positron emission tomography [PET scan]
- nonspecific abnormal findings on diagnostic imaging by thermography
- nonspecific abnormal findings on diagnostic imaging by ultrasound [echogram]
- nonspecific abnormal findings on diagnostic imaging by X-ray examination
- abnormal findings on antenatal screening of mother (O28.-)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
R97
- Abnormal tumor markers (R97)
R99
- Ill-defined and unknown cause of mortality (R99)