|TTE (with agitated saline injection; with or without 3D; with contrast as needed)||TEE (with agitated saline injection; with or without 3D)||TCD||MRA H/N||CTA H/N||Cardiac MR||Cardiac CT||ANG||Carotid Doppler|
|82. Initial evaluation of patient to exclude cardiac origin of TIA or ischemic stroke:||8 (A)||7 (A)||6 (M)||6 (M)||6 (M)||5 (M)||5 (M)||3 (R)||7 (A)|
|83. Assessment of intracranial arteries||6 (M)||8 (A)||8 (A)||5 (M)|
|84. Assessment of extracranial arteries (evaluation of the carotid and vertebral arteries)||8 (A)||8 (A)||5 (M)||8 (A)|
|85. Provocative maneuvers (Valsalva, cough) to assess for the presence of:||8 (A)||7 (A)||7 (A)||1 (R)||1 (R)||1 (R)||1 (R)||1 (R)||1 (R)|
3D = 3-dimensional; A = appropriate; ANG = angiography/ventriculography/aortography; CT = computed tomography; CTA = computed tomography angiography; H/N = head and neck; M = may be appropriate; MR = magnetic resonance; MRA = magnetic resonance angiography; R = rarely appropriate; TCD = transcranial Doppler; TEE = transesophageal echocardiography; TTE = transthoracic echocardiography; TIA = transient ischemic attack.