![]() ![]() Regardless of whether the values are from the same forced expiratory maneuver or different forced expiratory maneuvers. We use your highest FEV 1 value to evaluate your respiratory disorder under 103.02AĪnd 103.04A, and your highest FVC value to evaluate your respiratory disorder under 103.02B, The total volume of air that you exhale during the entire forced expiratory maneuver is the FVC. The volume of air you exhale in the first second of the forced expiratory maneuver is the FEV 1. Spirometry, which measures how well you move air into and out of your lungs, involves at least three forced expiratory maneuvers during the same test session.Ī forced expiratory maneuver is a maximum inhalation followed by a forced maximum exhalation, and measures exhaled volumes of air over time.What is spirometry and what are our requirements for an acceptable test and report? The imaging must be consistent with the prevailing state of medical knowledge and clinical practice as the proper technique to support the evaluation of the disorder.Į. Imaging refers to medical imaging techniques, such as x-ray and computerized tomography.If you use supplemental oxygen, we still need medical evidence to establish the severity of your respiratory disorder.We may not need all of this evidence depending on your particular respiratory disorder and its effects on you. Other relevant laboratory tests, and descriptions of any prescribed treatment and your response to it. The results of imaging (see 103.00D3), spirometry (see 103.00E), Medical evidence should include your medical history, physical examination findings, We need medical evidence to document and assess the severity of your respiratory disorder.What documentation do we need to evaluate your respiratory disorder? FEV 1 means forced expiratory volume in the first second of a forced expiratory maneuver.ĭ.CLD means chronic lung disease of infancy.CFTR means CF transmembrane conductance regulator.BTPS means body temperature and ambient pressure, saturated with water vapor.BiPAP means bi-level positive airway pressure ventilation.What abbreviations do we use in this body system? Symptoms and signs of respiratory disorders include dyspnea (shortness of breath), chest pain, coughing, wheezing, sputum production, hemoptysis (coughing up blood from the respiratory tract), use of accessory muscles of respiration, and tachypnea (rapid rate of breathing).Ĭ. What are the symptoms and signs of respiratory disorders? These listings or under the listings in 111.00ī. We evaluate the pulmonary effects of neuromuscular and autoimmune disorders under ![]() ![]() We evaluate cancers affecting the respiratory system under the listings in 113.00.We also use listings in this body system to evaluate respiratory failure resulting from an underlying chronic respiratory disorder Or that interfere with diffusion (gas exchange) across cell membranes in the lungs.Įxamples of such disorders and the listings we use to evaluate them include chronic obstructive pulmonary disease ( 103.02),Ĭhronic lung disease of infancy (also known as bronchopulmonary dysplasia,Īnd cystic fibrosis ( 103.04). We evaluate respiratory disorders that result in obstruction (difficulty moving air out of the lungs) or restriction (difficulty moving air into the lungs),.Which disorders do we evaluate in this body system? Associated right heart failure does not occur in asthma but is common in advanced cases of COPD.A. Patients with COPD usually have a long history of cigarette smoking and more significant permanent lung injury and chest remodeling. Asthmatic patients tend to be younger and more likely to have allergic triggers and conditions. In addition to the concept of reversibility, there are other characteristics that distinguish these two groups. Patients with COPD, have significant fixed airway obstruction that remains at baseline even when the patient's illness is under optimal control. However, patients who have persistent inflammation may develop over time permanent changes that contribute to a decline in functional capacity. Between acute attacks these patients may have relatively normal lung function. Patients with asthma have disease that is episodic and reversible to a significant degree. Obstructive lung disease is classified into two categories: asthma and chronic obstructive pulmonary disease (COPD). ![]()
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