Learn about Influenza Vaccine-Like Illness diagnosis, including clinical documentation tips, ICD-10 codes, medical coding guidelines, and healthcare best practices. This comprehensive resource provides information on symptoms, differential diagnosis, and patient management for Influenza Vaccine-Like Illness, helping healthcare professionals accurately document and code this condition. Find answers to common questions regarding Influenza Vaccine-Like Illness symptoms, treatment, and coding compliance.
Also known as
Acute upper respiratory infection, NOS
Nonspecific upper respiratory infection, often similar to flu-like symptoms.
General symptoms and signs
Includes fever, malaise, and other symptoms common to vaccine reactions.
Other complications following immunization
Captures adverse effects not classified elsewhere, like vaccine-induced illness.
Follow this step-by-step guide to choose the correct ICD-10 code.
Does patient have signs/symptoms consistent with influenza?
Yes
Is influenza confirmed by lab test?
No
Did symptoms occur after influenza vaccination?
When to use each related code
| Description |
|---|
| Influenza-like illness after vaccination |
| Injection site reaction |
| Vasovagal syncope |
Coding influenza-like illness without specifying viral type (e.g., A, B) when documented leads to inaccurate reporting and potential underpayment.
Discrepancies between physician notes and coded diagnoses (e.g., influenza vs. URI) create compliance risks and affect data integrity.
Coding influenza-like illness without sufficient clinical indicators (e.g., fever, cough) in documentation may trigger audits and claim denials.
Patient presents with influenza-like illness (ILI) post-influenza vaccination, consistent with influenza vaccine-like reaction. Onset of symptoms occurred [Number] hours/days following administration of the [Type of influenza vaccine, e.g., inactivated influenza vaccine, live attenuated influenza vaccine] on [Date of vaccination]. Symptoms include [List specific symptoms, e.g., myalgia, headache, low-grade fever, chills, malaise, fatigue]. Patient denies [Pertinent negatives, e.g., cough, sore throat, rhinorrhea, shortness of breath, gastrointestinal symptoms]. Temperature recorded at [Temperature value]. Physical examination reveals [Relevant findings, e.g., mild tenderness to palpation in the deltoid area, no lymphadenopathy]. Vital signs stable. No signs of respiratory distress or other complications. Diagnosis of influenza vaccine-like illness is made based on symptom onset following vaccination and the absence of indicators suggesting true influenza infection. Patient education provided regarding the self-limiting nature of influenza vaccine side effects. Recommended symptomatic treatment with [Medications and/or recommendations, e.g., acetaminophen or ibuprofen for fever and myalgia, rest, fluids]. Patient advised to monitor symptoms and return for evaluation if symptoms worsen or persist beyond [Number] days. ICD-10 code T88.1 (Adverse effect of influenza vaccine, not elsewhere classified) is considered for coding purposes, and CPT code 90471 (Immunization administration) may be relevant for billing. Differential diagnoses include mild viral upper respiratory infection and other post-vaccination reactions. Patient understands the importance of continued influenza vaccination for future seasons despite this reaction.