Past medical history


In a medical encounter, a past medical history, is the total sum of a patient's health status prior to the presenting problem.

Questions to include

Different sources include different questions to be asked while conducting a PMH, but in general, they include the following:
Several acronyms have been developed to categorize the appropriate questions to include:
In prehospital medicine, namely EMS, the acronyms SAMPLE or CHAMPS are used.
The Centers for Medicare and Medicaid Services has published criteria for what constitutes a reimbursable PMH. A PMH is considered one of three elements of the "Past, Family, and Social History" :
A pertinent PFSH consists of at least one of the three components; a full PFSH consists of two or three components for an established patient, or all three components for a new patient visit.