[Solved]: What are the first-listed diagnosis code…

What are the first-listed diagnosis code (icd-10-cm) and secondary diagnosis codes (there are three icd-10-cm codes) based on the scenario? CHEIF COMPLAINT: “I’ve been short of breath this past week at school, and the school nurse suggested I see my doctor right away. He sent me to see you.” HISTORY OF PRESENT ILLNESS: Mathew is a 17 year old senior in high school who was referred here from his primary care physician. He was in a normal state of health for the past 17 years but over the past week he has become very tired and short of breath while awake and at night. This has progressed to the point where he can no longer talk without gasping for air. Yesterday, he experienced a slight pressure in his chest and was lightheaded with a “flip flop feeling” which happened when he participated in gym class. Resting with two pillows to elevate his head relieved this pressure. The school nurse was called to assess Mathew’s health, she dismissed him from class so that he could see his PCP immediately. PAST MEDICAL HISTORY: No kn infections at ages 3 and 4 FAMILY HISTORY: Father died last year of sudden cardiac death at age 45. Mother has a heart murmur. Younger brother age 15 is in good physical health. Older brother died suddenly at the age of 19 of unknown cases. SOCIAL HISTORY: Mathew is very popular at school and is well liked by others. He dates a few girls at school and claims not to be sexually active. He comes from an upper socioeconomic background. He doesn’t drink alcohol, smoke, or use any recreational drugs. He claims that is “un-cool” with the friends he hangs out with. He and his friends play baseball every day after school because he is on the varsity team this year. His home life was difficult this past year due to the death of his father and remembering him in thought. He claims that, for the most part, he has a very caring and close family. ROS: (+)for fatigue, palpitations with feelings of lightheadedness, occasional chest pain upon exertion, dyspnea, and orthopnea. Worsening shortness of breath for the past week. No fever or hemoptysis. MEDICATIONS: No regular medications; occasional aspirin, ibuprofen, and Tylenol use for headaches, aches, and pains. ALLERGIES:NKDA PHYSICAL EXAM: GEN: Mathew is a 17 year old male gasping for breath after walking into the doctor’s office. VITAL SIGNS: BP 130/95, P 80, R 23, T 37.0 C, Wt 83.9 kg, Ht 74 in HEENT: PERRLA, EOMI, fundi benign, TM’s intact. NECK: A brisk carotid upstroke can be felt. LUNGS: Basillar crackles noted upon auscultation in the lower quarter of the lung fields; RLL and LLL dull to percussion posteriorly; wheezes noted without auscultation. CARDIOVASCULAR: RRR, S1 with slight systolic murmur of variable intensity is heard along the left sternal border and at the apex; S2 present and clearly audible, slight S4 gallop present. MR II/VI. Effects of Valsalva ma