Definition: Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer.

References: CMS125

Denominator: Women 51-74 years of age with a visit during the measurement period

Denominator Exclusions: Women who had a bilateral mastectomy or who have a history of a bilateral mastectomy or for whom there is evidence of a right and a left unilateral mastectomy

Numerator:Women with one or more mammograms during the measurement period or the 27 months prior to the measurement period

Attachments: specification