ICD-10 Coding Snapshot
CHIEF COMPLAINT: Chest pain.
HISTORY OF PRESENT ILLNESS: The patient is a 40-year-old white male who presents with a chief complaint of “chest pain”.
The patient is diabetic and has a prior history of coronary artery disease. The patient presents today stating that his chest pain started yesterday evening and has been somewhat intermittent. The severity of the pain has progressively increased. He describes the pain as a sharp and heavy pain which radiates to his neck & left arm. He ranks the pain a 7 on a scale of 1-10. He admits some shortness of breath & diaphoresis. He states that he has had nausea & 3 episodes of vomiting tonight. He denies any fever or chills. He states the pain is somewhat worse with walking and seems to be relieved with rest. There is no change in pain with positioning. The most recent episode of pain has lasted one-hour.
The patient denies any history of recent surgery, head trauma, recent stroke, abnormal bleeding such as blood in urine or stool or nosebleed.
REVIEW OF SYSTEMS: All other systems reviewed & are negative.
SOCIAL HISTORY: Denies alcohol or drugs. Smokes 2 packs of cigarettes per day. Works as a banker.
FAMILY HISTORY: Positive for coronary artery disease (father & brother).
PHYSICAL EXAM: The patient is a 40-year-old white male.
General: The patient is moderately obese but he is otherwise well developed & well nourished. He appears in moderate discomfort but there is no evidence of distress. He is alert, and oriented to person place and circumstance. There is no evidence of respiratory distress. The patient ambulates without gait abnormality or difficulty.
HEENT: Normocephalic/atraumatic head. Pupils are 2.5 mm, equal round and react to light bilaterally. Extra-ocular muscles are intact bilaterally. External auditory canals are clear bilaterally. Tympanic membranes are clear and intact bilaterally.
Neck: No JVD. Neck is supple. There is free range of motion & no tenderness, thyromegaly or lymphadenopathy noted.
Pharynx: Clear, no erythema, exudates or tonsillar enlargement.
Chest: No chest wall tenderness to palpation. Lungs: Clear to auscultation bilaterally. Heart: irregularly-irregular rate and rhythm no murmurs gallops or rubs. Normal PMI
Abdomen: Soft, non-distended. No tenderness noted. No CVAT.
Skin: Warm, diaphoretic, mucous membranes moist, normal turgor, no rash noted.
Extremities: No gross visible deformity, free range of motion. No edema or cyanosis. No calf/ thigh tenderness or swelling.
COURSE IN EMERGENCY DEPARTMENT: The patient’s chest pain improved after the sublingual nitroglycerine and completely resolved with the Nitroglycerin Drip at 30 ug/Minute. He tolerated the TPA well. He was transferred to the CCU in a stable condition
10:40 PM Dr. ABC (cardiologist) apprised. He agrees with T PA per 90 minute protocol & IV nitroglycerin drip. He is to come see patient in the emergency department.
10:45 PM risks & benefits of TPA discussed with patient & his family. They agree with administration of TPA and are willing to accept the risks.
10:50 PM TPA started.
11:20 PM Dr. ABC present in emergency department assisting with patient care.
CBC: WBC 14.2, hematocrit 33.5, platelets 316
Chem 7: Na 142, potassium 4.5, chloride 102, CO2 22.6, BUN 15, creatinine 1.2, glucose 186
Serum Troponin I: 2.5
Chest x-ray: Lung fields clear. No cardiomegaly or other acute findings
EKG: Atrial fibrillation with Ventricular rate of 65. Acute inferior ischemic changes noted i.e. ST elevation III & aVF (refer to EKG multimedia).
Cardiac monitor: Sinus rhythm-atrial of fibrillation rate 60s-70s.
Heparin lock X. 2. Nasal cannula oxygen 3 liters/minute. Aspirin 5 grains chew & swallow. Nitroglycerin drip at 30 micrograms/minute. Cardiac monitor. TPA 90 minute protocol. Heparin IV 5000 unit bolus followed by 1000 units/hour.
IMPRESSION: Acute Inferior Myocardial Infarction in patient with family cardiac history. Nicotine dependence.
PLAN: Patient admitted to Coronary Care Unit under the care of Dr. ABC.
ICD-10-CM Code(s): I21.19 ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall
F17.210 Nicotine dependence, cigarettes, uncomplicated
Z82.49 Family history of ischemic heart disease and other disease of the circulatory system
Rationale: The codes for acute myocardial infarction (MI) in ICD-10-CM identify the site, the temporal parameter (initial or subsequent), whether the myocardial infarction is an ST elevation or non-ST elevation infarction, and contributing factors. In this example, the documentation states the patient to have an MI of the inferior wall. In the diagnostic studies listed, the MI is further identified as an ST elevation MI. As this is the patient’s first presentation and no previous MI is documented, it is considered initial. The social history states that the patient is a current smoker at two packs per day. A family history of coronary artery disease is noted and should also be reported as the patient is diagnosed with a myocardial infarction.
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