Career Suggestion

Hi, I have completed my masters in microbiology from Bangalore university. And I worked in a pharmaceutical as QC-Microbiologist for 5 months, as it was not a good company i left that and i thought i will find a better one but i din get the job, even though i m interested in pharma field, due to lack of  opportunities  i have decided to go for medical coding...so i wan to know , the field i have chosen is good or not and is there any growth if i continue in that field......please help me out to take a better decision.