1. R04 Hemorrhage from respiratory passages

    1. R04.0 Epistaxis

      Inclusion term(s):

      • Hemorrhage from nose
      • Nosebleed
    2. R04.1 Hemorrhage from throat

    3. R04.2 Hemoptysis

      Inclusion term(s):

      • Blood-stained sputum
      • Cough with hemorrhage
    4. R04.8 Hemorrhage from other sites in respiratory passages

      1. R04.81 Acute idiopathic pulmonary hemorrhage in infants

        Inclusion term(s):

        • AIPHI
        • Acute idiopathic hemorrhage in infants over 28 days old
      2. R04.89 Hemorrhage from other sites in respiratory passages

        Inclusion term(s):

        • Pulmonary hemorrhage NOS
    5. R04.9 Hemorrhage from respiratory passages, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.