 Initial Imaging Definition Initial imaging is defined as imaging at the beginning of the care episode for the medical condition defined by the variant. More than one procedure can be considered usually appropriate in the initial imaging evaluation when: aColumbia University Medical Center, New York, New York. bPanel Chair, Uniformed Services University, Bethesda, Maryland. cOhio State University, Columbus, Ohio. dWake Forest School of Medicine, Winston Salem, North Carolina; American Geriatrics Society. eStanford University, Stanford, California, Primary care physician. fIndiana University School of Medicine, Indianapolis, Indiana; Committee on Emergency Radiology-GSER. gMayo Clinic, Rochester, Minnesota; Commission on Nuclear Medicine and Molecular Imaging. hWeill Cornell Medical College, New York, New York. iUniversity of California Los Angeles, Los Angeles, California. jEinstein Healthcare Network, Philadelphia, Pennsylvania. kFort Belvoir Community Hospital, Fort Belvoir, Virginia; American Academy of Family Physicians. lUniversity of California San Diego, San Diego, California. mOregon Health & Science University, Portland, Oregon. nSouthern California Permanente Medical Group, Pasadena, California; American Academy of Neurology. oWeill Cornell Medical College, New York, New York; American Academy of Otolaryngology-Head and Neck Surgery. pSchmidt College of Medicine, Florida Atlantic University, Boca Raton, Florida; American College of Emergency Physicians. qThe University of Vermont Medical Center, Burlington, Vermont. rOakland University William Beaumont School of Medicine, Rochester, Michigan; American Association of Neurological Surgeons/Congress of Neurological Surgeons. sUniversity of Cincinnati Medical Center, Cincinnati, Ohio. tSpecialty Chair, Montefiore Medical Center, Bronx, New York.
Headache PCAs.  Initial Imaging Definition Initial imaging is defined as imaging at the beginning of the care episode for the medical condition defined by the variant. More than one procedure can be considered usually appropriate in the initial imaging evaluation when: aColumbia University Medical Center, New York, New York. bPanel Chair, Uniformed Services University, Bethesda, Maryland. cOhio State University, Columbus, Ohio. dWake Forest School of Medicine, Winston Salem, North Carolina; American Geriatrics Society. eStanford University, Stanford, California, Primary care physician. fIndiana University School of Medicine, Indianapolis, Indiana; Committee on Emergency Radiology-GSER. gMayo Clinic, Rochester, Minnesota; Commission on Nuclear Medicine and Molecular Imaging. hWeill Cornell Medical College, New York, New York. iUniversity of California Los Angeles, Los Angeles, California. jEinstein Healthcare Network, Philadelphia, Pennsylvania. kFort Belvoir Community Hospital, Fort Belvoir, Virginia; American Academy of Family Physicians. lUniversity of California San Diego, San Diego, California. mOregon Health & Science University, Portland, Oregon. nSouthern California Permanente Medical Group, Pasadena, California; American Academy of Neurology. oWeill Cornell Medical College, New York, New York; American Academy of Otolaryngology-Head and Neck Surgery. pSchmidt College of Medicine, Florida Atlantic University, Boca Raton, Florida; American College of Emergency Physicians. qThe University of Vermont Medical Center, Burlington, Vermont. rOakland University William Beaumont School of Medicine, Rochester, Michigan; American Association of Neurological Surgeons/Congress of Neurological Surgeons. sUniversity of Cincinnati Medical Center, Cincinnati, Ohio. tSpecialty Chair, Montefiore Medical Center, Bronx, New York.