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Fluorescence In Situ Hybridization (FISH)

Health Checkups estimated about CNY 1000-3000 (estimated about USD 150-450) 2 day

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Description

Fluorescence In Situ Hybridization (FISH) is a precise genetic test used to detect chromosomal abnormalities in cancer, infertility, or prenatal diagnosis—costing ¥1,000–¥3,000 in China, with ChinaMedicalHub assisting with hospital coordination and interpreter support.

Main Uses

FISH is primarily used for: 1. Detecting and locating the presence or absence of specific DNA sequences on chromosomes, 2. Diagnosing and monitoring various types of cancer, 3. Identifying chromosomal abnormalities in prenatal testing, 4. Assessing the effectiveness of cancer treatments, 5. Studying gene mapping and genomic organization

Normal Range

The normal range for FISH (Fluorescence In Situ Hybridization) is not defined by numerical values but rather by the absence of specific genetic abnormalities or the presence of expected genetic markers. A 'normal' result indicates that no targeted chromosomal aberrations are detected, and the number and structure of chromosomes appear as expected.

Low Values - Possible Causes

FISH does not produce 'low' values in a traditional sense. However, an unexpected low signal count might indicate: 1. Technical issues with the test, 2. Sample quality problems, 3. Incorrect probe hybridization, 4. Insufficient sample material, 5. Errors in slide preparation