The flu season is coming.
There has been much discussion about COVID-19 this year, but as autumn approaches, thoughts turn towards influenza season. The Advisory Committee on Immunization Policies (ACIP) recently published guidelines for flu vaccination. Their advice is that routine annual vaccination is recommended for everyone 6 months of age and older. The United States vaccines will include updates to influenza A (H1N1) pdm09, influenza A (H3N2), and influenza B (Victoria). There are two new vaccines for people 65 years old and older. They are Fluzone High-Dose Quadrivalent and Fluad Quadrivalent.
This year’s flu season will occur simultaneously with COVID-19. It is believed that the flu vaccine will reduce symptoms that may be confused with COVID-19.
The Centers for Disease Control and Prevention (CDC) has updated their guidance for patients who have an egg allergy. Until recently, people with an egg allergy were advised not to get the flu vaccine. The new advice indicates that the flu vaccine could be administered to people with an egg allergy at a healthcare facility. The most recent guidance is that only patients with a severe allergic reaction to eggs are required to have the vaccination at a healthcare facility, if a vaccine other than ccIIV4 or RIV4 is given. It is important to disclose an egg allergy and its severity before getting the flu vaccination.
Vaccination is recommended before the end of October. Optimally, it is recommended to be vaccinated before influenza begins in your community. Manufacturers will provide 194-198 million doses of the flu vaccine. The vaccine is being distributed now.
The high-risk groups for influenza include:
The ICD-10-CM coding for influenza begins with the main term of Influenza. It is important to designate novel or non-novel as a descriptor. In the table below is a listing of influenza codes:
| Type | Code | Description |
| Type A, non-novel | J10.- | Influenza due to other identified influenza virus |
| Type A, H1N1 | J09.X2 | Influenza due to novel influenza A virus with other respiratory manifestations. |
| Type B | J10.- | Influenza due to other identified influenza virus |
| Type C | J10.- | Influenza due to other identified influenza virus |
| Unspecified | J11.1 | Influenza due to other unidentified influenza virus with other respiratory manifestations |
| Unspecified with manifestations | J11.- | Influenza due to other unidentified influenza virus |
Novel influenza A is also known as bird or avian flu.
Other factors that may impact the influenza code are the manifestations, such as encephalopathy, enteritis, laryngitis, myocarditis, otitis media, pneumonia, etc. This information is captured in the fourth character. The more specific the reported data, the better the population health information.
The immunization is reported with Z23. The flu vaccination is important to report for quality scores as well. The National Healthcare Safety Network (NHSN) utilizes this information for reporting statistics. Facilities (such as ambulatory surgery centers, inpatient psychiatric facilities, and outpatient dialysis centers) that are not required to report the data may voluntarily report.
The CDC will provide weekly updates regarding the 2020-21 flu season. It is never too late to get vaccinated!
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