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Genetic Disease Screening

Health Checkups estimated about CNY 200-500 (estimated about USD 30-70) 30 min

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Description

Genetic disease screening helps identify inherited conditions before symptoms appear—ideal for couples planning pregnancy or with family history—costs ¥30–70 at partner hospitals in China, with ChinaMedicalHub coordinating appointments and interpreter support.

Main Uses

Genetic disease screening is primarily used to identify individuals who are at risk of having or passing on a genetic disorder. It is commonly used in: 1. Prenatal testing to assess the risk of genetic disorders in the fetus. 2. Carrier screening for couples planning to have children. 3. Newborn screening to detect and treat genetic conditions early. 4. Diagnostic testing for individuals with symptoms of a genetic disorder. 5. Predictive testing for individuals with a family history of a genetic condition.

Normal Range

The normal range for genetic disease screening varies widely depending on the specific condition being tested. For example, in carrier screening for cystic fibrosis, a negative result (no mutations detected) is considered normal. In newborn screening for phenylketonuria (PKU), a blood phenylalanine level below 2 mg/dL is typically within the normal range.

Low Values - Possible Causes

Low values or negative results in genetic disease screening usually indicate the absence of the tested genetic mutation. Common reasons include: 1. The individual is not a carrier of the specific genetic disorder. 2. The test may have missed a rare mutation. 3. The sample quality was insufficient for accurate testing. 4. The genetic condition is not present in the family history. 5. The individual has a different, undetected mutation that the test does not cover.

High Values - Possible Causes

High values or positive results in genetic disease screening indicate the presence of a genetic mutation. Common reasons include: 1. The individual is a carrier of the specific genetic disorder. 2. The individual has two copies of the mutated gene (homozygous). 3. The individual has one copy of the mutated gene and one normal gene (heterozygous). 4. The test detected a de novo mutation. 5. The individual has a related but different genetic condition that shares similar markers.

estimated about CNY 200-500

estimated about USD 30-70

Duration: 30 min