Convert ICD-10 Code T57.1X2A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T57.1X2A Toxic effect of phosphorus and its compnd, self-harm, init		983.9 Toxic effect caustic NOS
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T57.1X2A Toxic effect of phosphorus and its compnd, self-harm, init		E950.7 Poison-corrosiv/caustic
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.

ICD-10 to ICD-9 crosswalk for code T57.1X2A - toxic effect of phosphorus and its compounds, intentional self-harm, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.