Convert ICD-10 Code I50.22 to ICD-9

Source ICD-10 Code Target ICD-9 Code
I50.22
Chronic systolic (congestive) heart failure
428.22
Chr systolic hrt failure
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.
I50.22
Chronic systolic (congestive) heart failure
428.22
Chr systolic hrt failure
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
I50.22
Chronic systolic (congestive) heart failure
428.0
CHF NOS
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 I50.22 - chronic systolic (congestive) heart failure based on the most recent General Equivalence Mappings (GEMS) information.