Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

ICD-10-CM code range R00-R99

Sections in this chapter (14)

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)
R20-R23 — Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)
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)
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)
R80-R82 — Abnormal findings on examination of urine, without diagnosis (R80-R82)
R83-R89 — Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)
R90-R94 — Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94)
R97 — Abnormal tumor markers (R97)
R99 — Ill-defined and unknown cause of mortality (R99)

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