ICD-10 Chapter R

International Statistical Classification of Diseases and Related Health Problems 10th Revision
Chapter Blocks Title
I A00–B99 Certain infectious and parasitic diseases
II C00–D48 Neoplasms
III D50–D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
IV E00–E90 Endocrine, nutritional and metabolic diseases
V F00–F99 Mental and behavioural disorders
VI G00–G99 Diseases of the nervous system
VII H00–H59 Diseases of the eye and adnexa
VIII H60–H95 Diseases of the ear and mastoid process
IX I00–I99 Diseases of the circulatory system
X J00–J99 Diseases of the respiratory system
XI K00–K93 Diseases of the digestive system
XII L00–L99 Diseases of the skin and subcutaneous tissue
XIII M00–M99 Diseases of the musculoskeletal system and connective tissue
XIV N00–N99 Diseases of the genitourinary system
XV O00–O99 Pregnancy, childbirth and the puerperium
XVI P00–P96 Certain conditions originating in the perinatal period
XVII Q00–Q99 Congenital malformations, deformations and chromosomal abnormalities
XVIII R00–R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
XIX S00–T98 Injury, poisoning and certain other consequences of external causes
XX V01–Y98 External causes of morbidity and mortality
XXI Z00–Z99 Factors influencing health status and contact with health services
XXII U00–U99 Codes for special purposes
The International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD-10) is a coding of diseases and signs, symptoms, abnormal findings, complaints, social circumstances and external causes of injury or diseases, as classified by the World Health Organization (WHO).[1] This page contains ICD-10 Chapter XVIII: Symptoms, signs and abnormal clinical and laboratory findings.

R00–R69 – Symptoms and signs

(R00–R09) Circulatory and respiratory systems

  • (heart beat
    • (Tachycardia, unspecified
    • (Bradycardia, unspecified
    • (Palpitations
    • (heart beat
  • (Cardiac murmurs and other cardiac sounds
    • (cardiac murmurs
    • (Cardiac murmur, unspecified
    • (cardiac sounds
  • (Gangrene, not elsewhere classified
  • (blood-pressure reading, without diagnosis
    • (hypertension
    • (low blood-pressure reading
  • (respiratory passages
    • (04.0) Epistaxis
    • (throat
    • (Haemoptysis
    • (respiratory passages
    • (respiratory passages, unspecified
  • (Cough
  • (breathing
    • (Dyspnoea
    • (Stridor
    • (Wheezing
    • (Periodic breathing
      • Cheyne-Stokes respiration
    • (Hyperventilation
    • (Mouth breathing
    • (Hiccough
    • (Sneezing
    • (breathing
  • (chest
    • (Pain in throat
    • (breathing
    • (Precordial pain
    • (chest pain
    • (Chest pain, unspecified
  • (respiratory systems
    • (Asphyxia
    • (Pleurisy
    • (Respiratory arrest
    • (Abnormal sputum
    • (respiratory systems

(R10–R19) Digestive system and abdomen

  • (Abdominal and pelvic pain
  • (vomiting
  • (Heartburn
  • (Dysphagia
  • (Flatulence and related conditions
  • (Faecal incontinence
  • (splenomegaly, not elsewhere classified
    • (Hepatomegaly, not elsewhere classified
    • (Splenomegaly, not elsewhere classified
    • (splenomegaly, not elsewhere classified
  • (jaundice
  • (Ascites
  • (abdomen
    • (19.0) Intra-abdominal and pelvic swelling, mass and lump
    • (Abnormal bowel sounds
    • (Visible peristalsis
    • (Abdominal rigidity
    • (19.4) Change in bowel habit
    • (19.5) Other faecal abnormalities
    • (Halitosis
    • (abdomen

(R20–R23) Skin and subcutaneous tissue

  • (skin sensation
    • (skin
    • (skin
    • (skin
    • (Hyperaesthesia
    • (skin sensation
  • (Rash and other nonspecific skin eruption
  • (subcutaneous tissue
    • (22.0) Localized swelling, mass and lump, head
    • (Localized swelling, mass and lump, neck
    • (22.2) Localized swelling, mass and lump, trunk
    • (22.3) Localized swelling, mass and lump, upper limb
    • (22.4) Localized swelling, mass and lump, lower limb
    • (22.7) Localized swelling, mass and lump, multiple sites
    • (22.9) Localized swelling, mass and lump, unspecified
  • (23) Other skin changes
    • (Cyanosis
    • (Pallor
    • (Flushing
    • (Spontaneous ecchymoses
    • (23.4) Changes in skin texture
    • (23.8) Other and unspecified skin changes

(R25–R29) Nervous and musculoskeletal systems

  • (Abnormal involuntary movements
    • (25.0) Abnormal head movements
    • (Tremor, unspecified
    • (spasm
    • (Fasciculation
    • (25.8) Other and unspecified abnormal involuntary movements
  • (Abnormalities of gait and mobility
    • (Ataxic gait
    • (26.1) Paralytic gait
    • (walking, not elsewhere classified
    • (mobility
  • (27) Other lack of coordination
    • (Ataxia, unspecified
    • (27.8) Other and unspecified lack of coordination
  • (musculoskeletal systems
    • (29.0) Tetany
    • (Meningismus
    • (29.2) Abnormal reflex
    • (Abnormal posture
    • (29.4) Clicking hip
    • (musculoskeletal systems

(R30–R39) Urinary system

  • (micturition
    • (Dysuria
    • (Vesical tenesmus
    • (30.9) Painful micturition, unspecified
  • (haematuria
  • (urinary incontinence
  • (Retention of urine
  • (oliguria
  • (Polyuria
  • (36) Urethral discharge
  • (urinary system
    • (Extravasation of urine
    • (micturition
    • (uraemia
    • (urinary system

(R40–R46) Cognition, perception, emotional state and behaviour

  • (coma
    • (Somnolence
    • (Stupor
    • (Coma, unspecified
  • (awareness
    • (Disorientation, unspecified
    • (Anterograde amnesia
    • (Retrograde amnesia
    • (amnesia
    • (awareness
  • (giddiness
  • (taste
    • (Anosmia
    • (Parosmia
    • (Parageusia
    • (taste
  • (perceptions
    • (Auditory hallucinations
    • (Visual hallucinations
    • (hallucinations
    • (Hallucinations, unspecified
    • (perceptions
  • (emotional state
    • (Nervousness
    • (agitation
    • (Unhappiness
    • (apathy
    • (anger
    • (Hostility
    • (45.6) Physical violence
    • (45.7) State of emotional shock and stress, unspecified
    • (emotional state
  • (behaviour
    • (personal hygiene
    • (46.1) Bizarre personal appearance
    • (46.2) Strange and inexplicable behaviour
    • (46.3) Overactivity
    • (46.4) Slowness and poor responsiveness
    • (46.5) Suspiciousness and marked evasiveness
    • (46.6) Undue concern and preoccupation with stressful events
    • (46.7) Verbosity and circumstantial detail obscuring reason for contact
    • (behaviour

(R47–R49) Speech and voice

  • (Speech disturbances, not elsewhere classified
    • (aphasia
    • (Dysarthria and anarthria
    • (speech disturbances
  • (Symbolic dysfunctions, not elsewhere classified
  • (Voice disturbances
    • (Dysphonia
    • (Aphonia
    • (hyponasality
    • (voice disturbances

(R50–R69) General symptoms and signs

  • (Fever of unknown origin
    • (chills
    • (50.1) Persistent fever
    • (Fever, unspecified
  • (Headache
  • (Pain, not elsewhere classified
    • (Acute pain
    • (Chronic intractable pain
    • (chronic pain
    • (Pain, unspecified
  • (fatigue
  • (Senility
  • (collapse
  • (Convulsions, not elsewhere classified
    • (Febrile convulsions
    • (convulsions
  • (Shock, not elsewhere classified
    • (Cardiogenic shock
    • (Hypovolaemic shock
    • (57.8) Other shock
    • (57.9) Shock, unspecified
  • (Haemorrhage, not elsewhere classified
  • (Enlarged lymph nodes
  • (Oedema, not elsewhere classified
  • (Hyperhidrosis
    • (hyperhidrosis
    • (hyperhidrosis
    • (Hyperhidrosis, unspecified
  • (physiological development
  • (fluid intake
    • (Anorexia
    • (Polydipsia
    • (Polyphagia
    • (Feeding difficulties and mismanagement
    • (Abnormal weight loss
    • (Abnormal weight gain
    • (fluid intake
  • (Cachexia
  • (symptoms and signs
    • (low environmental temperature
    • (infancy
    • (Dry mouth, unspecified
    • (fingers
    • (symptoms and signs
  • (morbidity

R70–R99 – Abnormal clinical and laboratory findings, not elsewhere classified

(R70–R79) On examination of blood, without diagnosis

  • (erythrocyte sedimentation rate and abnormality of plasma viscosity
    • (erythrocyte sedimentation rate
    • (70.1) Abnormal plasma viscosity
  • (red blood cells
  • (white blood cells, not elsewhere classified
  • (blood glucose level
  • (Abnormal serum enzyme levels
  • (human immunodeficiency virus (HIV)
  • (serum
    • (76.0) Raised antibody titre
    • (tuberculin test
    • (syphilis
    • (serum
    • (serum, unspecified
  • (plasma proteins
    • (albumin
    • (globulin
    • (alphafetoprotein
    • (plasma proteins
    • (plasma protein, unspecified
  • (drugs and other substances, not normally found in blood
    • (blood
    • (blood
    • (blood
    • (blood
    • (addictive potential in blood
    • (blood
    • (blood
    • (blood
    • (blood
    • (blood
  • (findings of blood chemistry
    • (79.0) Abnormal level of blood mineral
    • (79.8) Other specified abnormal findings of blood chemistry
    • (79.9) Abnormal finding of blood chemistry, unspecified

(R80–R82) On examination of urine, without diagnosis

  • (Isolated proteinuria
  • (Glycosuria
  • (82) Other abnormal findings in urine
    • (Chyluria
    • (Myoglobinuria
    • (Biliuria
    • (Haemoglobinuria
    • (Acetonuria
    • (biological substances
    • (urine levels of substances chiefly nonmedicinal as to source
    • (urine
    • (urine
    • (urine

(R83–R89) On examination of other body fluids, substances and tissues, without diagnosis

  • (cerebrospinal fluid
  • (thorax
  • (abdominal cavity
  • (86) Abnormal findings in specimens from male genital organs
  • (87) Abnormal findings in specimens from female genital organs
  • (tissues

(R90–R94) On diagnostic imaging and in function studies, without diagnosis

  • (central nervous system
    • (lesion
    • (central nervous system
  • (lung
  • (breast
  • (diagnostic imaging of other body structures
    • (head, not elsewhere classified
    • (coronary circulation
    • (biliary tract
    • (digestive tract
    • (urinary organs
    • (retroperitoneum
    • (limbs
    • (musculoskeletal system
    • (diagnostic imaging of other specified body structures
  • (94) Abnormal results of function studies

R95–R99 – Ill-defined and unknown causes of mortality

  • (Sudden infant death syndrome
  • (96) Other sudden death, cause unknown
    • (96.0) Instantaneous death
    • (Death occurring less than 24 hours from onset of symptoms, not otherwise explained
  • (98) Unattended death
  • (99) Other ill-defined and unspecified causes of mortality

See also

References

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