Cdh1genedeldupbldt
Key facts at a glance
- LOINC
- 96973-3
- Short code
- CDH1DelDup
- Synonyms
- CDH1 gene Del+Dup Bld/T
- Category
- chemistry
- Sample
- whole-blood
- Container
- EDTA (lavender-top) tube for whole blood; sterile container for tissue specimen
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- ≥ 0 years
- Method
- molgen
- CPT
- 81406
- SNOMED
- 444908002
- Specimen volume
- 3-5 mL whole blood; 5-10 mg fresh or frozen tissue
- Stability
- Whole blood: room temperature 24-48 hours, refrigerated (2-8°C) up to 7 days; do not freeze whole blood. Tissue: refrigerated up to 24 hours, frozen (-20°C or below) for long-term storage. DNA extracted: stable at 2-8°C for weeks, -20°C for years.
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 168–720 hours
- Order
- routine
Reference range
No pathogenic deletion or duplication detected in the CDH1 gene (E-cadherin). Reference range is qualitative: presence or absence of germline CDH1 copy number variants (deletions/duplications) is reported as detected or not detected.N/A
No special patient preparation is required for molecular genetic analysis. Informed consent for genetic testing is recommended prior to sample collection. A detailed family history of gastric cancer, lobular breast cancer, or other CDH1-related malignancies should be provided.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy