Other viral hemorrhagic fevers, not elsewhere classified - A98
Excludes1: It indicates that the conditions described by two codes cannot occur together in the same patient. These codes are mutually exclusive.
Type 1 Excludes:
- chikungunya hemorrhagic fever (A92.0)
- dengue hemorrhagic fever (A91)
These ranges represents subcategories of Other viral hemorrhagic fevers, not elsewhere classified. The "A98" signifies that these are the diseases within this broad category.