Vaccine Metrics and Algorithm to Identify Vaccination

What proportion of patients received a vaccination in the period of performance?

Period of Performance:

Denominator: UDS patients 

Numerator: Patients who received the vaccine

Exclusions: depends on vaccine may include age, Guillan-Barre, true allergy

Numerator Criteria Satisfied:

Stratify by category:  

1) Vaccine Administered: at site or structured data

• CVX
• NDC
• CPT

2) Vaccine Received Externally: patient was given vaccine elsewhere and proof of vaccination was provided

• Proof of vaccination in the EHR
• IIS record of vaccination
• Claims data 
• HIE record

3) Patient-reported vaccine history: patient provided location and date of vaccination but no record was received

4) OPTIONAL for some vaccines: Titer-based proof of immunity

Metadata for vaccine history: 

Date Given:

Location: 

Care Gap Categories:

• Patient was not offered vaccine or could not access
• Patient refused
• Patient reports receipt but no record is available (see vaccine history above)