The Karyotype (chromosome test) looks at number and structure of chromosomes. It is done for: recurrent miscarriage, suspected chromosomal conditions.
General health information, not a diagnosis. In an emergency, call 102. Always consult a qualified health professional.
Recurrent miscarriage, suspected chromosomal conditions.
No fasting needed. Laboratory-specific; see the reference range on your report. High or positive may mean: Abnormality found: genetic counselling. Low or negative may mean: Normal. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
Number and structure of chromosomes.
Blood
Abnormality found: genetic counselling.
Normal.
Reference ranges vary by lab, age and sex — always use the range printed on your own report.
Consult a doctor to interpret results — a single test does not make a diagnosis.
Uses your location once to list the nearest facilities. Nothing is stored.
What does the Karyotype (chromosome test) measure?
Number and structure of chromosomes.
Why is the Karyotype (chromosome test) done?
Recurrent miscarriage, suspected chromosomal conditions.
Do I need to fast for the Karyotype (chromosome test)?
No fasting needed.
What does a high or positive Karyotype (chromosome test) mean?
Abnormality found: genetic counselling.
What does a low or negative Karyotype (chromosome test) mean?
Normal.
What is the normal range for the Karyotype (chromosome test)?
Laboratory-specific; see the reference range on your report.
Why is Karyotype (chromosome test) done?
Recurrent miscarriage, suspected chromosomal conditions.
Do I need to prepare or fast for Karyotype (chromosome test)?
No fasting needed. Laboratory-specific; see the reference range on your report. High or positive may mean: Abnormality found: genetic counselling. Low or negative may mean: Normal. General information, not a diagnosis. Results must be interpreted by a qualified health worker.
SI text CC BY 4.0; decoder reference data (cited per range); LOINC codes free with attribution (notice included).
Sources: SI health summary (own words); MedlinePlus Lab Tests and CDC as references