Proceeds from website advertising help sustain Lab Tests Online. AACC is a not-for-profit organization and does not endorse non-AACC products and services.

Chromosome Analysis (Karyotyping)

Print this article
Share this page:
Also known as: Karyotype; Cytogenetics; Cytogenetic Analysis; Chromosome Studies; Chromosome Karyotype
Formal name: Chromosome Analysis

At a Glance

Why Get Tested?

To detect chromosome abnormalities, thus to help diagnose genetic diseases, some birth defects, and certain hematologic and lymphoid disorders

When to Get Tested?

When pregnancy screening tests are abnormal; whenever signs of a chromosomal abnormality-associated disorder are present; as indicated to detect chromosomal abnormalities in a person and/or detect a specific abnormality in family members; sometimes when a person has leukemia, lymphoma, myeloma, myelodysplasia or another cancer and an acquired chromosome abnormality is suspected

Sample Required?

A blood sample drawn from a vein in your arm; a sample of amniotic fluid or chorionic villus from a pregnant woman; a bone marrow or tissue sample

Test Preparation Needed?