US HITSP: C38: Patient Level Quality Document Using IHE Medical Summary (XDS-MS). The Patient Level Quality Data Document Using IHE Medical Summary (XDS-MS) Component supports the communication of patient level quality data for quality measurement in a document sharing environment. The HITSP Patient Level Quality Data Document Using IHE Medical Summary (XDS-MS) Component constrains the IHE Medical Summary to support the communication of quality data for analysis and measurement. The specification includes constraints of location and vocabulary.