Final answer:
The ICD-10 code for palpitations with cardiac arrhythmia ruled out is R00.2, and the code for family history of ischemic heart disease is Z82.49. Cardiac arrhythmias, which can be serious, need proper diagnosis and treatment to normalize heart rhythm.
Step-by-step explanation:
The ICD-10 code for a patient admitted with palpitations where cardiac arrhythmia has been ruled out, and who has a family history of coronary artery disease, would be R00.2, which stands for Palpitations. This code is used when specific cardiac arrhythmias are not identified, as it is the case described. The family history would be recorded with a separate code, Z82.49, which represents a family history of ischemic heart disease and other diseases of the circulatory system.
Cardiac arrhythmias are conditions where the heartbeat is irregular, either too fast (tachycardia) or too slow (bradycardia), and can sometimes require medical interventions such as cardiac defibrillators or pacemakers when they become chronic. Normalizing heart rhythm is crucial for patient health, especially when dealing with symptoms such as palpitations, lightheadedness, or chest pain that could potentially signal more serious underlying conditions.