Patient presents with pectus excavatum, a congenital chest wall deformity characterized by a depressed sternum.  The patient reports [mild, moderate, or severe]  sunken chest appearance, which [is or is not] causing  functional limitations.  Assessment reveals a noticeable concavity of the anterior chest wall with [symmetrical or asymmetrical] depression of the sternum and adjacent costal cartilages.  The Haller index, measured from CT scan imaging, was calculated to be [insert Haller index value], indicating [mild, moderate, or severe] pectus excavatum.  Patient denies shortness of breath, chest pain, or palpitations at rest.  Lung auscultation reveals clear breath sounds bilaterally. Cardiac examination is within normal limits.  The patient's medical history is significant for [list relevant medical history, or state 'no significant medical history'].  Family history is positive negative for pectus excavatum.  Current symptoms include [list current symptoms or state 'no current symptoms other than cosmetic concerns'].  Differential diagnosis includes other chest wall deformities such as pectus carinatum.  The patient was counseled on the natural history of pectus excavatum, potential complications, and treatment options including conservative management, the Nuss procedure, Ravitch procedure, and vacuum bell therapy.  Treatment recommendations were discussed and documented, including potential risks and benefits.  Follow-up is scheduled to further evaluate the patient's condition and discuss treatment plan preferences.  ICD-10 code Q67.6 for pectus excavatum has been assigned.  CPT codes for evaluation and management were also documented, based on the complexity of the visit.