Program Operations Manual System (POMS)
TN 33 (08-20)
COMPASSIONATE ALLOWANCES INFORMATION
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SINGLE VENTRICLE
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ALTERNATE NAMES
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Common Ventricle; Common-Inlet Left Ventricle; Double-Inlet Left Ventricle; Double-Inlet
Ventricle; Single Ventricle Congenital Heart Defect; DILV; Univentricular Heart; Univentricular
heart of the left ventricular type; Congenital heart defect – DILV; Cyanotic heart
defect – DILV; Birth defect – DILV
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DESCRIPTION
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Single Ventricle defect is a rare congenital heart defect in which a child is born with only one ventricle
that is capable of pumping blood; it may also be associated with other congenital
heart defects such as transposition of the great arteries and aortic obstruction.
Staged surgery is usually started in the first week of life. Subsequent surgeries
maybe required. As the person with a single ventricle ages, potential health problems
that develop include complaints of heart rhythm disturbances such as faster than normal
heart (tachycardia), atrial flutter, slow heart rate (bradycardia), congestive heart
failure, liver and biliary dysfunction, and fluid retention in the abdomen and lower
extremities. These individuals are of greater risk for weakening and failing heart
muscle, and for developing blood clots. They also have greatly diminished exercise
tolerance, and do not grow well.
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DIAGNOSTIC TESTING, PHYSICAL FINDINGS, AND
ICD-9-CM/ICD-10-CM
CODING
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Diagnostic testing:
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Echocardiogram (ultrasound of the heart); and
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Physical findings: Physical findings associated with a single ventricle include:
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Features of cyanosis (blue tint to skin and nail beds);
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Weakening of the heart muscle.
ICD-9: 746.9
ICD-10: Q20.4
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TREATMENT
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The surgical treatment of single ventricle is based on the severity of the condition.
Infants are usually treated with staged surgical intervention beginning in the first
week of life. The first procedure is called a shunt. The shunt helps to increase blood
flow to the lungs. Subsequent surgeries may be warranted to adjust blood flow to the
lungs and to create connections between the veins and the lung arteries. Blood clotting
may be a feature of this disease and may require monitoring and anticoagulation therapy.
Other health problems are common and require life-long monitoring by a cardiologist
trained in the care of congenital heart disease.
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PROGRESSION
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A diagnosis of a single ventricle defect is usually made shortly after birth. Most
children with a single ventricle who have survived to adulthood have had at least
one operation to repair the ventricle. Response to surgery varies depending on many
factors, including the specific defect and the age at which the child undergoes surgery.
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SUGGESTED PROGRAMMATIC
ASSESSMENT* |
Suggested MER for Evaluation:
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Clinical history and examination that describes the diagnostic features of the impairment;
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Cardiology consultation reports;
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Imaging testing (MRI and X-ray); and
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Blood study coagulation reports can be used to assess blood clots.
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Suggested Listings for Evaluation:
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DETERMINATION |
LISTING
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REMARKS |
Meets |
4.02 |
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4.06
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104.06
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Equals |
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* Adjudicators may, at their discretion, use the Medical Evidence of Record or the
listings suggested to evaluate the claim. However, the decision to allow or deny the
claim rests with the adjudicator.
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