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Karyotyping with High Resolution Banding
Karyotyping with High Resolution Banding
Karyotyping with High Resolution Banding
| Test Code | KT0002 |
|---|---|
| Test Summary | Karyotyping - Provides holistic picture of the 23 pairs of chromosome allowing simultaneous examination of all chromosomes. |
| Turn Around Time | 15 days |
| Acceptable Sample Types | Whole Blood (EDTA) |
| NY Approved | No |
| Accreditations | CAP , ISO 15189 (NABL) |
**The CPT codes listed are in accordance with Current Procedural Terminology, a publication of the American Medical Association, and are provided for informational purposes only. CPT coding is the sole responsibility of the billing party.
This testing service has not been cleared or approved by the U.S. Food and Drug Administration. Testing services may not be licensed in accordance with the laws in all countries. The availability of specific test offerings is dependent upon laboratory location.
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Test information
Test description
A karyotype test is a type of genetic testing. It looks at the size, shape, and number of chromosomes in a sample of cells from your body. Chromosomes are found in the cell nucleus, which is like the command center of a cell. Chromosomes contain your genes. Genes carry information, called DNA, that controls what you look like and how your body works.You inherit your chromosomes from your parents. Normally, all your cells (except for egg and sperm cells) have a set of the same 46 chromosomes. The chromosomes are grouped into 23 pairs. Each pair has two chromosomes, one coming from each parent. You may develop certain genetic disorders if your cells:
- Are missing whole chromosomes or pieces of chromosomes
- Have extra chromosomes or extra pieces of chromosomes
Indications for testing
Karyotyping
- Abnormal fetal ultrasound and presenceof soft markers like hypoplastic nasal bone, Increased NT, Echogenic bowel etc.
- Maternal serum screening positive for chromosome aneuploidies
- NIPT positive for chromosome aneuploidies
- Parental chromosomal rearrangement or mosaicism
- Previous history of recurrent miscarriages
- Previous fetus/baby with chromosoma abnormality
Condition description
Karyoytyping
A karyotype test looks for unusual changes in chromosomes. It may be used to:
- Check an unborn baby for chromosome problems
- Check you and/or your family members for specific chromosome problems if you:
- Have a genetic disorder that runs in your family
- Have symptoms that may be from a genetic disorder
- Find out if abnormal chromosomes are causing problems having children, including:
- Male or female infertility
- Miscarriages, if you have lost two or more pregnancies before 20 weeks
- Stillbirth
- Help diagnose and/or make treatment decisions for certain types of cancer and blood disorders
Test methods and limitations
Detailed sample requirements
Whole Blood (EDTA)
| Collection Container(s) |
EDTA (purple top) |
|---|---|
| Collection |
Infants (< 2-years): 2 to 3 mL; Children (>2-years): 3 to 5 mL; Older children and adults: Minimum 5mL. The blood tube should be inverted several times immediately after blood collection to prevent coagulation. |
| Sample Condition |
Store at ambient temperature. Do not refrigerate or freeze. |
| Shipping |
Ship overnight at ambient temperature ensuring receipt within 5-days of collection. |
| SPECIAL SAMPLE INSTRUCTIONS |
Clotted or hemolyzed samples are not accepted. |
How To Order
Choose Your Test
Select the correct test for your patient, and download and fill out the Clinical Genomics test requisition form.
Collect Sample
Obtain a sample for testing from the patient using one of the provided Revvity Omics test packs.
Send Samples
Send samples and all required forms back to Revvity for processing using pre-paid shipping label.
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