If you are looking into accessing sickle cell testing near you, the quickest route is usually your primary care doctor, who can order a simple blood test called hemoglobin electrophoresis or HPLC through any local laboratory. Community health centers, prenatal clinics, and hematology clinics can also test you, and most babies are already screened at birth. The test needs only a routine blood draw and tells you whether you have normal hemoglobin, sickle cell trait, or sickle cell disease.
This guide explains where to go, which test to ask for, what the results mean, and who should consider testing. For a deeper look at the practical side, see our page on where can I get a test and our detailed sickle cell test guide for clinicians.
What Is Sickle Cell Disease?
Sickle cell disease (SCD) is an inherited blood disorder caused by a change in the HBB gene, which carries the instructions for the beta chain of hemoglobin. The change produces an abnormal protein called hemoglobin S (HbS).
When oxygen levels fall, HbS molecules stick together into long strands. These strands distort red blood cells into a rigid, curved sickle shape. Sickled cells break down early, causing ongoing hemolytic anemia, and they can block small blood vessels, triggering painful episodes called vaso-occlusive crises.
Normal red blood cells live about 120 days. Sickled cells survive only around 10 to 20 days, which is why the bone marrow struggles to keep up.
Who Should Get Tested?
SCD develops when a person inherits two abnormal hemoglobin genes, one from each parent. Someone with one sickle gene and one normal gene has sickle cell trait. People with trait are usually healthy but can pass the gene to their children.
The sickle gene is most common in people whose ancestors came from malaria-affected regions, including sub-Saharan Africa, the Mediterranean, the Middle East, India, and parts of Central and South America. It is not limited to any one group, and people of European ancestry can carry it too, as we explain in can Caucasians get sickle cell disease.
Testing is worth considering if you:
- Are planning a pregnancy or are already pregnant.
- Have a partner who carries sickle cell trait or another hemoglobin variant.
- Have a family member with sickle cell disease or trait.
- Were born before routine newborn screening, or do not know your result.
- Have unexplained anemia, recurrent pain episodes, or other symptoms suggestive of SCD.
- Have been asked to confirm your status for a sports program, military service, or pre-surgery assessment.
Types of Sickle Cell Tests
Not every test gives the same information, so it helps to know what to ask for.
| Test | What it shows | Best used for |
|---|---|---|
| Solubility test (sickle screen) | Whether any HbS is present | Quick screening; cannot tell trait from disease |
| Hemoglobin electrophoresis | The types and proportions of hemoglobin (A, S, C, F and others) | Confirming trait versus disease and other variants |
| High-performance liquid chromatography (HPLC) | Precise measurement of each hemoglobin type | Standard confirmatory and newborn screening test |
| DNA (genetic) testing | The exact gene changes in HBB | Complex cases, family planning, prenatal diagnosis |
| Complete blood count (CBC) | Hemoglobin level, red cell size, and other counts | Assessing anemia alongside the tests above |
If you want to know whether you carry the gene, ask specifically for hemoglobin electrophoresis or HPLC, not just a sickle screen. A positive solubility test on its own does not distinguish trait from disease, and it can miss other variants such as hemoglobin C.
Where to Get Sickle Cell Testing Near You
Our separate article on finding a sickle cell test near me covers locating services in more detail. In general, these are the most common options:
- Primary care doctor or family clinic: the simplest starting point. They can order the test, send you to a local lab, and explain the result.
- Prenatal or obstetric clinics: hemoglobin screening is commonly offered early in pregnancy, and your partner can often be tested too.
- Community health centers: often offer lower-cost testing and can connect you with counseling.
- Hematology clinics and sickle cell centers: best for confirming a diagnosis, interpreting complex results, and ongoing care.
- Genetic counseling services: helpful when both partners carry a hemoglobin variant.
- Commercial laboratories: some offer direct-to-consumer hemoglobin testing, though a clinician should still interpret the result.
Newborn screening
In the United States and many other countries, every newborn is screened for sickle cell disease using a heel-prick blood spot. If you were born in a place with routine screening, your result may be on record, so ask your parents or your doctor before retesting.
Prenatal testing
If both parents carry a sickle gene, each pregnancy has a one-in-four chance of a child with SCD. Prenatal diagnosis is possible through chorionic villus sampling (usually around 10 to 13 weeks) or amniocentesis (usually from about 15 weeks), after counseling about the benefits and risks.
What Your Results Mean
| Result pattern | Meaning |
|---|---|
| HbAA | Normal adult hemoglobin; no sickle gene |
| HbAS | Sickle cell trait (carrier); HbA is the larger share |
| HbSS | Sickle cell anemia, the most common and usually most severe form |
| HbSC | Sickle-hemoglobin C disease, often milder but still significant |
| HbS/beta-thalassemia | Sickle cell disease combined with beta-thalassemia; severity varies |
Recent blood transfusions can mask your true hemoglobin pattern for several months, so tell the lab if you have had one. A hematologist can explain any unclear result.
After a Diagnosis: Treatment and Outlook
A diagnosis opens the door to care that makes a real difference. Standard management includes hydroxyurea, which raises fetal hemoglobin and reduces pain crises; regular transfusions for selected patients, including children at high stroke risk; vaccinations and, in young children, preventive penicillin; and prompt pain management with good hydration.
A bone marrow transplant can cure SCD in suitable patients, and gene therapies are now approved in some countries. Our overview of sickle cell research covers these advances, and our article on the life span of sickle cell patients explains how earlier diagnosis and better care have improved outlook. For a full overview, visit our sickle cell guide.
Frequently Asked Questions
How long do sickle cell test results take?
A solubility screen can be ready the same day. Hemoglobin electrophoresis or HPLC usually takes a few days, and DNA testing can take longer, depending on the laboratory.
Do I need to fast before a sickle cell test?
No. It is a standard blood draw with no fasting or special preparation. Just let the lab know about any recent blood transfusions.
Can adults be tested, or is it only for babies?
Anyone can be tested at any age. Adults often seek testing before starting a family or when they are unsure of their newborn screening result.
Does sickle cell trait turn into sickle cell disease?
No. Trait and disease are determined by your genes at birth and do not change. People with trait are generally healthy, though they should stay well hydrated during intense exercise and heat.
