Sign or Symptom
hemoptysis Audio
he·mop·ty·sis [ hi-mop-tuh-sis ]
Subclass of:
Signs and Symptoms, Respiratory; Lung diseases; Hemorrhage
Etymology:
Greek haima = blood + ptysis = a spitting
Definitions related to hemoptysis:
  • A clinical finding in which blood is coughed up from the lungs.
    ACC/AHA Clinical Data Terminology
    American College of Cardiology and American Heart Association , 2020
  • Coughing or spitting up blood from the respiratory tract.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • Coughing up (expectoration) of blood or blood-streaked sputum from the larynx, trachea, bronchi, or lungs.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • Coughing up blood from the respiratory tract.
    NCI
    U.S. National Cancer Institute, 2021
  • Coughing up or spitting up blood from the lungs.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Expectoration or spitting of blood originating from any part of the RESPIRATORY TRACT, usually from hemorrhage in the lung parenchyma (PULMONARY ALVEOLI) and the BRONCHIAL ARTERIES.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Hemoptysis is coughing up of blood from the respiratory tract. Massive hemoptysis is production of ? 600 mL of blood (about a full kidney basin�s worth) within 24 hours.
    Merck Manuals
    Merck & Co., Inc., 2025
  • Hemoptysis is coughing up of blood from the respiratory tract. Massive hemoptysis is production of >= 600 mL of blood (about a full kidney basin's worth) within 24 hours.
    Merck Manuals
    Merck & Co., Inc., 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.