Patient presents with progressive dyspnea on exertion, a hallmark symptom of interstitial pulmonary fibrosis (IPF).  The patient reports a persistent, dry, non-productive cough and exhibits inspiratory crackles on auscultation, consistent with pulmonary fibrosis symptoms.  The patient denies fever, chills, or recent infections.  The patient's medical history is significant for GERD, managed with omeprazole.  Family history is negative for known genetic connective tissue disorders.  Pulmonary function testing (PFT) reveals a restrictive pattern, characterized by reduced forced vital capacity (FVC) and total lung capacity (TLC), with a preserved FEV1FVC ratio.  High-resolution computed tomography (HRCT) of the chest demonstrates bilateral, basal-predominant reticular opacities and honeycombing, characteristic of usual interstitial pneumonia (UIP) pattern, the radiologic hallmark of IPF.  The patient's clinical presentation, PFT results, and HRCT findings meet the diagnostic criteria for IPF.  Differential diagnosis included hypersensitivity pneumonitis, sarcoidosis, and chronic hypersensitivity pneumonitis, but these were ruled out based on clinical and radiographic findings.  Treatment plan includes discussion of antifibrotic therapy (nintedanib or pirfenidone) to slow disease progression, pulmonary rehabilitation to improve exercise tolerance and quality of life, supplemental oxygen as needed for hypoxemia, and management of comorbidities.  Patient education regarding prognosis, disease management, and the importance of follow-up care was provided.  Referral to a pulmonary specialist for further evaluation and management is recommended.  ICD-10 code J84.1, Idiopathic pulmonary fibrosis, is assigned.  Medical billing codes will reflect evaluation and management services, pulmonary function testing, and HRCT chest.