DX is a medical abbreviation that stands for "diagnosis." It is commonly used in medical documentation to indicate a patient's specific medical condition or the process of determining what condition the patient has.
For example, if a patient is diagnosed with diabetes mellitus, the medical abbreviation for this diagnosis would be "DM." Similarly, if a healthcare provider is trying to determine the cause of a patient's symptoms, they may document the process as "working on DX" or "looking for a DX."
The abbreviation "DX" can be used alone or as part of a larger abbreviation or medical term, such as "Dx test" to refer to a diagnostic test, or "Dx criteria" to refer to the specific criteria used to make a diagnosis.
The abbreviation "DX" means "diagnosis" because it is a shortened form of the word "diagnosis." In medical documentation, it is common to use abbreviations to save time and space, and "DX" is a widely recognized and accepted abbreviation for the word "diagnosis."