Convert ICD-10 Code J44.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
J44.1 Chronic obstructive pulmonary disease w (acute) exacerbation		491.21 Obs chr bronc w(ac) exac
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.
J44.1 Chronic obstructive pulmonary disease w (acute) exacerbation		493.22 Ch obst asth w (ac) exac
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 J44.1 - chronic obstructive pulmonary disease with (acute) exacerbation based on the most recent General Equivalence Mappings (GEMS) information.