Patient presents for abdominal aortic aneurysm screening.  Risk factors for AAA include male sex, age greater than 65, smoking history, family history of AAA, and history of peripheral arterial disease.  Patient reports no abdominal pain, back pain, or pulsatile abdominal mass.  Physical examination reveals a normal heart rate and rhythm, normal blood pressure, and no palpable abdominal mass.  Lung sounds are clear.  An abdominal ultrasound was performed to evaluate for the presence of an abdominal aortic aneurysm.  The ultrasound revealed an infrarenal abdominal aorta with a maximum diameter of [measurement] cm.  Based on the ultrasound findings, the patient has a [diagnosis - e.g., normal abdominal aorta, small abdominal aortic aneurysm].  Plan includes [management plan, e.g.,  continued surveillance with repeat ultrasound in [timeframe], referral to vascular surgery, discussion of risks and benefits of surgical repair]. Patient education provided regarding AAA symptoms, risk factors, and importance of follow-up.  ICD-10 code [appropriate ICD-10 code, e.g., I71.4 for abdominal aortic aneurysm, ruptured;  R79.89 for other specified abnormal findings of blood vessels; Z01.810 for encounter for screening for abdominal aortic aneurysm] is documented for billing and coding purposes.  CPT code [appropriate CPT code, e.g., 76776 for ultrasound, abdominal, real time with image documentation] is also documented. This documentation supports medical necessity for the screening ultrasound.