ICD-10-CM Diagnosis Code (2025)
Official Description for A78
Q fever
Coding Notes & Guidelines for A78
Inclusion Terms
- Infection due to Coxiella burnetii
- Nine Mile fever
- Quadrilateral fever
About ICD-10-CM Code A78 (Q fever)
ICD-10-CM code A78 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM A78 became effective on October 1, 2024.
This page provides detailed information about A78 - Q fever. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Q fever.