Measure Source

Centers for Disease Control and Prevention (CDC), National Center for Health Statistics (NCHS).

Table

222 Outpatient visits where the patient was referred by another physician or health plan, United States, 2001–2002, by

• Race

Data Source

CDC, NCHS, National Ambulatory Medical Care Survey (NAMCS) and National Hospital Ambulatory Medical Care Survey (NHAMCS)—Outpatient Departments.

Denominator

Number of visits to office-based physicians and hospital outpatient departments.

Numerator

Number of visits to office-based physicians and hospital outpatient departments where the patient was referred by another physician or health plan.

Comments

The NAMCS/NHAMCS question is "Was patient referred by another physician or by a health plan for this visit?"