ICD-10-CM chapter 18
R00-R99: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
This chapter has 89 categories and 774 billable codes in the 2027 code set. Choose a category to see every code in it.
Categories
- R00Abnormalities of heart beat
- R01Cardiac murmurs and other cardiac sounds
- R03Abnormal blood-pressure reading, without diagnosis
- R04Hemorrhage from respiratory passages
- R05Cough
- R06Abnormalities of breathing
- R07Pain in throat and chest
- R09Other symptoms and signs involving the circulatory and respiratory system
- R10Abdominal and pelvic pain
- R11Nausea and vomiting
- R12Heartburn
- R13Aphagia and dysphagia
- R14Flatulence and related conditions
- R15Fecal incontinence
- R16Hepatomegaly and splenomegaly, not elsewhere classified
- R17Unspecified jaundice
- R18Ascites
- R19Other symptoms and signs involving the digestive system and abdomen
- R20Disturbances of skin sensation
- R21Rash and other nonspecific skin eruption
- R22Localized swelling, mass and lump of skin and subcutaneous tissue
- R23Other skin changes
- R25Abnormal involuntary movements
- R26Abnormalities of gait and mobility
- R27Other lack of coordination
- R29Other symptoms and signs involving the nervous and musculoskeletal systems
- R30Pain associated with micturition
- R31Hematuria
- R32Unspecified urinary incontinence
- R33Retention of urine
- R34Anuria and oliguria
- R35Polyuria
- R36Urethral discharge
- R37Sexual dysfunction, unspecified
- R39Other and unspecified symptoms and signs involving the genitourinary system
- R40Somnolence, stupor and coma
- R41Other symptoms and signs involving cognitive functions and awareness
- R42Dizziness and giddiness
- R43Disturbances of smell and taste
- R44Other symptoms and signs involving general sensations and perceptions
- R45Symptoms and signs involving emotional state
- R46Symptoms and signs involving appearance and behavior
- R47Speech disturbances, not elsewhere classified
- R48Dyslexia and other symbolic dysfunctions, not elsewhere classified
- R49Voice and resonance disorders
- R50Fever of other and unknown origin
- R51Headache
- R52Pain, unspecified
- R53Malaise and fatigue
- R54Age-related physical debility
- R55Syncope and collapse
- R56Convulsions, not elsewhere classified
- R57Shock, not elsewhere classified
- R58Hemorrhage, not elsewhere classified
- R59Enlarged lymph nodes
- R60Edema, not elsewhere classified
- R61Generalized hyperhidrosis
- R62Lack of expected normal physiological development in childhood and adults
- R63Symptoms and signs concerning food and fluid intake
- R64Cachexia
- R65Symptoms and signs specifically associated with systemic inflammation and infection
- R68Other general symptoms and signs
- R69Illness, unspecified
- R70Elevated erythrocyte sedimentation rate and abnormality of plasma viscosity
- R71Abnormality of red blood cells
- R73Elevated blood glucose level
- R74Abnormal serum enzyme levels
- R75Inconclusive laboratory evidence of human immunodeficiency virus [HIV]
- R76Other abnormal immunological findings in serum
- R77Other abnormalities of plasma proteins
- R78Findings of drugs and other substances, not normally found in blood
- R79Other abnormal findings of blood chemistry
- R80Proteinuria
- R81Glycosuria
- R82Other and unspecified abnormal findings in urine
- R83Abnormal findings in cerebrospinal fluid
- R84Abnormal findings in specimens from respiratory organs and thorax
- R85Abnormal findings in specimens from digestive organs and abdominal cavity
- R86Abnormal findings in specimens from male genital organs
- R87Abnormal findings in specimens from female genital organs
- R88Abnormal findings in other body fluids and substances
- R89Abnormal findings in specimens from other organs, systems and tissues
- R90Abnormal findings on diagnostic imaging of central nervous system
- R91Abnormal findings on diagnostic imaging of lung
- R92Abnormal and inconclusive findings on diagnostic imaging of breast
- R93Abnormal findings on diagnostic imaging of other body structures
- R94Abnormal results of function studies
- R97Abnormal tumor markers
- R99Ill-defined and unknown cause of mortality