A pediatric patient with a congenital double inlet ventricle undergoes corrective cardiac surgery. The surgeon performs a modified Fontan procedure to redirect systemic venous blood flow directly to the pulmonary arteries as part of staged repair for a single-ventricle physiology.
What CPT and ICD-10-CM codes are reported?
The procedure documented is a modified Fontan procedure 33615 (Fontan-type single-ventricle repair per the choices given).
The congenital diagnosis documented is double inlet ventricle Q20.2.
Why the other options are incorrect based on the statements provided:
Q20.4 is not ''double inlet ventricle'' as stated in the question.
Adding Q20.1 is not supported by the documentation (the question only states double inlet ventricle).
Therefore, the best match is 33615, Q20.2 A.
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