Alphabetic Index · main term
Hyperpyrexia
At the main termR50.9
Hyperpyrexia is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). The Index lists R50.9 for the term on its own. It has 4 subterms and 4 code entries. First-level subterms include heat, malignant, due to anesthetic, rheumatic, unknown origin. Confirm any code you find here in the Tabular List before you report it.
Subterms 4
- heat (effects)T67.01
- malignant, due to anestheticT88.3
- rheumatic see Fever, rheumatic
- unknown originR50.9