Definition: Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization

References: CMS 147, NQF 041


Denominator: All patients aged 6 months and older seen for at least two visits or at least one preventive visit during the measurement period

Denominator Exceptions: Documentation of medical reason(s) for not receiving influenza immunization (eg, patient allergy, other medical reasons)

Documentation of patient reason(s) for not receiving influenza immunization (eg, patient declined, other patient reasons)

Documentation of system reason(s) for not receiving influenza immunization (eg, vaccine not available, other system reasons)


Numerator:Patients who received an influenza immunization OR who reported previous receipt of an influenza immunization

Attachments: specifications