What Is a Preventive Health Screening?
A preventive screening looks for early signs of conditions such as diabetes, high cholesterol, high blood pressure or heart disease. Catching them early gives you and your provider more options.
Screenings are meant for people without symptoms. If you have new or worsening symptoms, you need an evaluation instead. That means a visit with a provider, not a routine screening. Our urgent care team can see you for non-life-threatening concerns. For chest pain, trouble breathing or stroke symptoms, call 911.
Which screenings make sense for you depends on your age, sex, family history and risk factors. A provider can help you decide.
Step 1: Ask What Your Screening Involves
Before the appointment, confirm what tests you’re having, because that determines your preparation. Ask:
- Which tests are included (blood work, blood pressure, urine test or others)?
- Do I need to fast, and for how long?
- Should I take my usual medications that morning?
- How long will the visit take?
- When and how will I get my results?
Instructions vary by test and by provider, so follow what your clinic tells you.
Step 2: Know the Fasting Rules
Some blood tests are more accurate when you haven’t eaten recently. Tests that commonly require fasting include blood glucose (blood sugar) and cholesterol panels (lipid panels). Fasting usually means 8 to 12 hours without food or drinks other than water, so many people schedule these tests for early morning.
Not every test requires it. A1C, for example, reflects your average blood sugar over the past few months and generally doesn’t need fasting. Don’t assume, though. Ask about the specific tests you’re having.
While you’re fasting:
- Do drink plain water. Staying hydrated can make the blood draw easier.
- Don’t chew gum, use nicotine or drink coffee, juice or soda unless your provider says it’s fine.
- Don’t drink alcohol beforehand, since it can affect liver enzymes and blood sugar.
- Avoid strenuous exercise before the draw, which can affect glucose readings.
It’s common to feel lightheaded after fasting, so bring a snack to eat right after your blood is drawn.
Step 3: Ask Before Changing Any Medication
Don’t stop or skip medications on your own. Some can be taken as usual. Others, especially diabetes medications, may need to be timed around fasting, and the right instruction depends on you. Ask your provider ahead of time, and tell them about all prescriptions, over-the-counter medicines and supplements you take.
Step 4: Pack What You Need
Bring:
- A photo ID
- Your insurance card (or let us know if you’re self-pay)
- A list of your medications and supplements, with doses
- Your personal and family health history, such as heart disease, diabetes or cancer in close relatives
- Results from recent screenings or labs, if you have them
- Vaccine records, if available
- A list of questions or concerns
- A snack and water for afterward
Step 5: Plan for the Day Itself
- Wear comfortable clothes. A short-sleeved shirt or sleeves that roll up make blood draws easier.
- Arrive a few minutes early to complete paperwork.
- Rest before a blood pressure check. Sitting quietly for several minutes helps give a more accurate reading, and caffeine or nicotine right beforehand can raise it.
- Reschedule if you’re sick. Being ill can affect some results, and screenings are best done when you’re feeling well. If you’re unsure, call us.
- Tell your provider about anything unusual, such as recent illness, new medications or a change in how you feel.
Common Screenings and Typical Preparation
| Screening | What it checks | Typical preparation |
|---|---|---|
| Cholesterol (lipid panel) | Cholesterol and triglycerides | Often fasting for 8–12 hours; confirm with your provider |
| Fasting blood glucose | Blood sugar | Often fasting; confirm with your provider |
| A1C | Average blood sugar over recent months | Generally no fasting needed |
| Blood pressure | Heart and vascular health | Rest first; avoid caffeine and nicotine beforehand |
| Urine test | Kidney and other markers | Follow collection instructions |
| Cancer screenings | Varies by screening type | Varies; ask what applies to you |
| Vaccines | Immunity | Bring your records |
Preparation depends on your provider and the exact tests ordered. Confirm before your visit.
What Happens After Your Screening?
Ask when your results will be ready and how you’ll receive them. A “normal” result doesn’t mean you can stop paying attention to your health. An abnormal result doesn’t automatically mean a diagnosis. It often means a follow-up test or a conversation about next steps.
After your results come back:
- Review them with a provider, rather than relying on a number alone.
- Ask what the results mean for you, given your history and risk factors.
- Ask when you should be screened again.
- Ask about next steps, such as lifestyle changes, repeat testing or treatment.
- Keep a copy of your results for future visits.
Will Insurance Cover It?
Many insurance plans cover certain preventive screenings, but coverage varies by plan and by test. Whether a service is billed as preventive or as diagnostic can also affect your cost. Before your visit, check with your plan or ask our team. You can see which insurance plans we list. If you don’t have insurance, ask about our membership plans.
Preventive Screenings and Primary Care in Las Vegas
Sahara West Urgent Care & Wellness is a walk-in clinic that also provides primary care. Our primary care services include annual physical exams, routine health evaluations, wellness visits and health screenings, plus labs and chronic condition management.
We also promote a free A1C diabetes screening and Lipoprotein(a) cardiovascular screening. Walk-ins are welcome, and you can see the details here. Eligibility and details may vary, so call before you come in.
Why patients choose us:
- One location for prevention and urgent needs. If something comes up, you don’t need to find a second clinic.
- Convenient hours. We’re open Monday to Friday 9 am–8 pm and Saturday 9 am–3 pm.
- Care for the whole family, with Tagalog- and Hawaiian-speaking providers available.
- Flexible payment. We accept many insurance plans and offer self-pay and financing options for eligible patients.
We serve patients from across Las Vegas, including Summerlin, Spring Valley, Enterprise, Paradise and Winchester. Meet our team, including Medical Director Dr. Mouchir Harb, MD.
Not sure which screening fits you or how to prepare? Call (702) 248-0554 and we’ll help you plan, or book an appointment online.
Curious what a visit looks like? Read What to Expect at a Routine Primary Care Visit.
FAQs
How do I prepare for a preventive health screening?
Confirm which tests you’re having and whether fasting is needed. Ask your provider about medications. Bring your ID, insurance card, medication list and family health history, and wear comfortable clothing.
Do I have to fast before a health screening?
It depends on the tests. Cholesterol and blood glucose tests often require fasting for 8 to 12 hours, with water usually allowed. Other tests, such as A1C, generally don’t. Ask your clinic.
Can I drink water while fasting?
Plain water is usually fine and can help with the blood draw. Avoid coffee, juice, soda, gum and nicotine unless your provider says otherwise.
Should I take my medications before a screening?
Don’t stop or skip medications on your own. Ask your provider in advance, especially if you take medicine for diabetes.
What should I bring?
Photo ID, insurance card, medication and supplement list, family health history, recent results, vaccine records and your questions.
Should I reschedule if I’m sick?
Often yes. Illness can affect some results, and screenings are best done when you feel well. Call the clinic if you’re unsure.
How long does a preventive screening take?
It depends on which tests are included. Ask when you book. Blood draws themselves are usually quick.
When will I get my results?
It varies by test. Ask your provider how and when you’ll receive them and who will review them with you.
Is a screening the same as a physical?
Not exactly. A screening checks for specific risks, often with lab tests. A physical is a broader exam. Many people get both together.
Does Sahara West offer free health screenings?
We promote free A1C diabetes and Lipoprotein(a) cardiovascular screening, and walk-ins are welcome. Call (702) 248-0554 to confirm current details and eligibility.
Take the Next Step
A few minutes of preparation can make your screening easier and your results more useful. If you’re ready to get started or want to talk through your options, we’re here.
- Call: (702) 248-0554
- Book online: Schedule your appointment
- Visit: 6125 West Sahara Avenue, Las Vegas, NV 89146 (Mon–Fri 9 am–8 pm, Sat 9 am–3 pm)
- Questions first? Contact us
This article is for general education and isn’t a substitute for professional medical advice. Follow the preparation instructions your provider gives you for your specific tests.
