Convert ICD-10 Code T57.1X1A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T57.1X1A Toxic effect of phosphorus and its compounds, acc, 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.
T57.1X1A Toxic effect of phosphorus and its compounds, acc, init		E864.3 Acc poison-caustic NEC
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 T57.1X1A - toxic effect of phosphorus and its compounds, accidental (unintentional), initial encounter based on the most recent General Equivalence Mappings (GEMS) information.