Convert ICD-10 Code O29.022 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
O29.022 Pressr collapse of lung d/t anesth during preg, second tri		646.81 Preg compl NEC-delivered
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.
O29.022 Pressr collapse of lung d/t anesth during preg, second tri		646.83 Preg compl NEC-antepart
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 O29.022 - pressure collapse of lung due to anesthesia during pregnancy, second trimester based on the most recent General Equivalence Mappings (GEMS) information.