Asthma Emergency Department Visits

Denominator is all patients age two through age 20, diagnosed with asthma during the measurement period. The denominator will include recipients with claims with ICD-9-CM codes 493.00, 493.01, 493.02, 493.10, 493.11, 493.12, 493.81, 493.82, 493.90, 493.91,and 493.92 (excludes 493.20, 493.21 and 493.22)asprimary and secondary diagnoses with the dates of service"Begin Date through End Date" equal any consecutive 12 month period with paid dates from "Begin Date through End Date which includes 3 month tail". This is the measurement period. Total period of our pilot initiative was 24 months. We used Baseline Measurement period of March 1, 2006 through February 28, 2007 with paid dates through May 31, 2007 to provide a 3 month claims tail.

A "Measurement period is any 12 consecutive months".