Convert ICD-10 Code M31.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
M31.1 Thrombotic microangiopathy		446.6 Thrombot microangiopathy

ICD-10 to ICD-9 crosswalk for code M31.1 - thrombotic microangiopathy based on the most recent General Equivalence Mappings (GEMS) information.