This definition has been computed by taking the manually created full codelist and converting it to a list of rules that define the codelist.

• Booster pneumococcal vaccination (XaIeO)
• Consent given for pneumococcal vaccine (XaFk4)
• Did not attend pneumococcal vaccination (XaR1l) and all descendants
• First pneumococcal conjugated vaccination (XaLqs)
• H/O: pneumococcal vaccine allergy (XaKFa)
• History of pneumococcal vaccination (XaQdk)
• Pneumococcal Unspecified Booster (Y069c)
• Pneumococcal vaccination contraindicated (XaIOS)
• Pneumococcal vaccination declined (XaIyy)
• Pneumococcal vaccination given (XaCKa)
• Pneumococcal vaccination given by other healthcare provider (XaPyX)
• Pneumococcal vaccination not indicated (XaKFY)
• Second pneumococcal conjugated vaccination (XaLqt)
• Subcutaneous injection of Pneumovax II (XaBZP)
• Supplemental pneumococcal conjugated vaccination (XaYvC)
• Third pneumococcal conjugated vaccination (XaLqu)
• Unknown code (a TPP Y-code?) (6572)
• [V]Personal history of pneumococcal vaccine allergy (XaKJr)
• [X]Pneumococcal vacc causing adverse effects therapeutic use (XaKJq)

Codes in the definition are underlined. Codes in the full codelist are in blue. Related codes not in the codelist are in black.