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Flu

Flu

See see also Influenza
avianJ09.X2
birdJ09.X2
intestinal NECA08.4
swine (viruses that normally cause infections in pigs)J09.X2

Source: official CMS/NCHS ICD-10-CM Index to Diseases and Injuries. Informational only.

Data current as of FY2026 CMS/NCHS release. Not affiliated with or endorsed by CMS, HHS, or NCHS.

ICD-10-CM

Diagnosis Codes Diagnosis Index External Causes Index Table of Drugs Table of Neoplasms Coding Guidelines

Other Code Sets

ICD-10-PCS Procedure Codes HCPCS Level II Codes ICD-9-CM Diagnosis Codes ICD-9-CM Procedure Codes

Tools

ICD-9 ↔ ICD-10 Crosswalk MS-DRG Lookup Annual Code Changes

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