Mary, a 45-year-old patient, visited her primary care physician for a routine check-up. During the visit, she mentioned experiencing persistent headaches. After a thorough examination and review of her medical history, the physician diagnosed her with migraines. The physician prescribed medication and recommended lifestyle modifications to manage her condition effectively. 

Questions: 

1. 1. Discuss the importance of accurate health coding in healthcare settings. How does it impact patient care, reimbursement, and data analysis? 
2. 
   
3. 2. Based on coding guidelines and conventions, what is the appropriate ICD-10-CM code for Mary's diagnosis of migraines? 
4. 
   
5.