Complete ICD-10-CM coding and documentation guide for icd-10 coding for influenza vaccine exposure includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Influenza Vaccine Exposure
Use ICD-10 code Z23 for encounter for immunization, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Immunization administration
Use for billing the administration of the vaccine.
The ICD-10 code for an encounter for influenza vaccination is Z23. For adverse reactions, use T50.B95A and Y59.3.
Document the vaccine type, lot number, administration site, and detailed symptoms with timing relative to vaccination.