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 Laboratory Services
Preventative Screening
State Metabolic Screen -
This is a blood test performed at 36 hours of
life and repeated at 2 weeks of age. The State of Texas currently
screens for 27 different disorders. These are all diseases that would
otherwise go undiagnosed until serious problems occurred. For more
information, check out the Texas Department of State Health Services
website http://www.dshs.state.tx.us/newborn/expandparent.shtm.
Hearing Screen - The State of Texas now requires that all newborns have their hearing tested before leaving
the hospital. This simple test identifies children with congenital deafness.
Hematocrit - This is a blood test performed at one year of age to evaluate your child for anemia. This test may be
repeated again if your doctor feels it is necessary.
Urinalysis - A urine sample is obtained at age 5 to evaluate for diabetes and kidney function. This test may be
repeated as necessary.
Tuberculosis (TB) test - This skin tests demonstrates exposure to
tuberculosis, an infectious lung disease. We recommend screening
certain high risk individuals such children who have immigrated from
or traveled to Asia, the Middle East, Africa, and Latin America. We
also screen children who are in regular contact with individuals from
these areas. Other high risk indivuals include children who have had
contact with individuals with known TB, HIV, or IV drug use. Also at
risk are children exposed to people who have been in jail, homeless
shelters, or nursing homes.
Vision Screen - A vision test is performed at age 4 and may be repeated as necessary.
Lead Screening - This blood test demonstrates exposure to lead, which
can cause anemia and neurologic problems. Routine testing is not
performed. If your child lives in or frequently visits a house built
before 1978 that has chipping or peeling pain or has been recently
remodeled, we need to check their lead level. Other risk factors
include children with friends or family members who have been
diagnosed with lead poisoning and children who live with anyone whose
job or hobby involves exposure to lead (such as painting, soldering,
auto battery manufacturing or recycling, or auto radiator repair).
Cholesterol Screening - This blood test identifies children who have elevated levels of fat that can lead to
heart disease and high blood pressure. Routine testing is not performed. If someone in the family has had problems with
high cholesterol, or heart problems before the age of 55, please notify your doctor.



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