DenominatorPatients aged 18 and older seen during the measure year who had an active diagnosis of COPD.
NumeratorReceived an influenza immunization OR who reported previous receipt of an influenza immunization between August 1 of the previous measure year to March 31 of the measure year  (MSSP 2019)
Exclusion/Exception• Patients whose hospice care overlaps the measurement period •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)