Convert ICD-10 Code L40.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
L40.1 Generalized pustular psoriasis		694.3 Impetigo herpetiformis
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.
L40.1 Generalized pustular psoriasis		696.1 Other psoriasis
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code L40.1 - generalized pustular psoriasis based on the most recent General Equivalence Mappings (GEMS) information.