IMX is not a commonly used abbreviation in the medical field. It is possible that it is a specific term used within a particular medical specialty or institution.
To understand what IMX refers to, please provide more context. For example:
- Where did you encounter this abbreviation? (e.g., a medical journal article, a doctor's note, a lab report)
- What was the surrounding text?
- What is the overall topic or area of medicine being discussed?
Providing this additional information will help us determine the correct meaning of IMX in the specific context.