 
| ICD-10-CM-2023 > R00-R99 > R00-R09 > R04 | 
| R00-R09 | Symptoms and signs involving the circulatory and respiratory systems | |
| R04 | Hemorrhage from respiratory passages | |
| R04.0 | Epistaxis | |
| Info: | Hemorrhage from nose Nosebleed | |
| R04.1 | Hemorrhage from throat | |
| Excl2.: | hemoptysis (R04.2) | |
| R04.2 | Hemoptysis | |
| Info: | Blood-stained sputum Cough with hemorrhage | |
| R04.8 | Hemorrhage from other sites in respiratory passages | |
| R04.81 | Acute idiopathic pulmonary hemorrhage in infants | |
| Info: | AIPHI Acute idiopathic hemorrhage in infants over 28 days old | |
| Excl1.: | perinatal pulmonary hemorrhage (P26.-) von Willebrand disease (D68.0-) | |
| R04.89 | Hemorrhage from other sites in respiratory passages | |
| Info: | Pulmonary hemorrhage NOS | |
| R04.9 | Hemorrhage from respiratory passages, unspecified | |
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