Description: Percentage of patients 18-50 years of age with a diagnosis of low back pain who did not have an imaging study (plain X-ray, MRI, CT scan) within 28 days of the diagnosis.

References: CMS166, NQF 0052

Denominator: Patients 18-50 years of age with a diagnosis of low back pain during an outpatient or emergency department visit

Denominator Exclusions: Exclude patients with a diagnosis of cancer any time in their history or patients with a diagnosis of recent trauma, IV drug abuse, or neurologic impairment during the 12-month period prior to through the 28 days after the outpatient or emergency department visit.

Exclude patients with a diagnosis of low back pain within the 180 days prior to the outpatient or emergency department visit.

Numerator: Patients without an imaging study conducted on the date of the outpatient or emergency department visit or in the 28 days following the outpatient or emergency department visit

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