Fred H. Rodriguez III1,2,3,4, Georges Ephrem1,2, Jennifer F. Gerardin1,2, Cheryl Raskind-Hood5, Carol Hogue5, Wendy Book1,2
Congenital Heart Disease, Vol.13, No.1, pp. 59-64, 2018, DOI:10.1111/chd.12563
Abstract Objective: Although the ICD-9-CM code 745.5 is widely used to indicate the presence of a secundum atrial septal defect (ASD), it is also used for patent foramen ovale (PFO) which is a normal
variant and for “rule-out” congenital heart disease (CHD). The ICD-10-CM code Q21.1 perpetuates
this issue. The objective of this study was to assess whether code 745.5 in isolation or in combination with unspecified CHD codes 746.9 or 746.89 miscodes for CHD, and if true CHD positives
decrease with age.
Design: Echocardiograms of patients with an ICD-9-CM code of 745.5 in isolation or in combination… More >
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