Heart Rhythm

ICD-9. 401.9 = unspecified hypertension. 4 = Old Myocardial Infarction . ICD-9-CM code 412 (ICD-10 code I252) ... Not acceptable: cardiomyopathy with no reference to CHF. ICD-9-CM . and ICD-10-CM codes: (Codes are used only as examples to guide the abstractor and are not all-inclusive. Diagnoses are determined by clinician documentation, not by ... ................
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