question: I have a wbc of 12.6. It was 11.5 6 months ago. my hemoglobin is elevated also.6.5. Is this a sign of leukiemia?  I am 71 years old female and have had thyroid issues for some time. It was burned out with liquid Iodine several years ago.I was also exposed to a raduim implant for 2 days 41 years ago.Thank you so much for your time.