You get an email saying your laboratory results are available.
You open the patient portal and suddenly you’re looking at a page filled with abbreviations:
CBC. CMP. A1C. LDL. HDL. TSH. ALT. AST.
Some numbers are green.
Maybe one is red.
There’s an “H” beside one result and an “L” beside another.
And now you’re wondering:
Is something wrong with me?
Blood testing can provide valuable information about your health, but laboratory results aren’t meant to be interpreted as isolated numbers.
Your age, symptoms, medical history, medications, lifestyle, previous results, and the laboratory’s reference ranges all matter.
At Ever Wellness, we believe patients should understand their health information rather than simply being told their labs are “normal.”
Here are 10 common blood tests you may encounter and what they can help your healthcare provider evaluate.
First: What Does a “Normal Range” Actually Mean?
Most laboratory reports display a reference range beside your result.
For example, you might see:
Your Result: 92
Reference Range: 70–99
It’s tempting to assume that anything inside the range means you’re perfectly healthy and anything outside means you’re sick.
It’s not always that simple.
Reference ranges can vary between laboratories, and an abnormal result doesn’t automatically mean you have a medical condition.
Likewise, laboratory testing is only one piece of the clinical picture.
Your provider considers your results alongside your symptoms, history, medications, examination, and other information.
That’s why interpreting laboratory results should involve more than simply looking for red numbers.
1. Complete Blood Count (CBC)
A CBC is one of the most commonly ordered blood tests.
It evaluates several components of your blood, including:
- Red blood cells
- White blood cells
- Hemoglobin
- Hematocrit
- Platelets
These measurements can provide information related to several areas of health.
Red Blood Cells
Red blood cells help carry oxygen throughout your body.
Hemoglobin
Hemoglobin is the oxygen-carrying protein inside red blood cells.
Abnormal hemoglobin levels may be evaluated in the context of conditions such as anemia.
White Blood Cells
White blood cells are part of your immune system.
Changes can occur for many reasons, including infections, inflammation, medications, and certain medical conditions.
Platelets
Platelets play an important role in normal blood clotting.
A CBC provides useful information, but abnormal results need context.
2. Comprehensive Metabolic Panel (CMP)
A comprehensive metabolic panel provides a broad snapshot of several areas of health.
A CMP commonly includes measurements related to:
🩸 Blood glucose
🧂 Electrolytes
🩺 Kidney function
🧪 Liver function
🥩 Blood proteins
Common results may include:
- Glucose
- Sodium
- Potassium
- Calcium
- Creatinine
- BUN
- Albumin
- Total protein
- ALT
- AST
- Bilirubin
That’s a lot of information from one blood draw.
Your healthcare provider looks at the pattern rather than treating every number as an independent diagnosis.
3. Fasting Blood Glucose
Glucose is the primary sugar circulating in your bloodstream.
Your body uses glucose for energy.
The hormone insulin helps regulate blood glucose by allowing glucose to move from your bloodstream into cells.
Persistently elevated fasting glucose may lead your provider to investigate issues involving glucose regulation, including prediabetes or diabetes.
But one glucose reading isn’t necessarily the entire story.
Your provider may also consider:
- Whether you were fasting
- Previous glucose results
- A1C
- Medications
- Health history
- Symptoms
Blood sugar health is an important part of long-term metabolic wellness.
4. Hemoglobin A1C
While a glucose test provides information about your blood sugar at a particular moment, hemoglobin A1C provides information about average blood glucose over approximately the previous two to three months.
A1C is commonly used when evaluating or monitoring:
- Prediabetes
- Diabetes
- Long-term blood glucose management
A1C can be extremely useful, but certain medical circumstances can affect its interpretation.
Your provider can determine how the result fits with the rest of your health information.
5. Cholesterol and Lipid Panel
A standard lipid panel may include:
Total Cholesterol
A measurement of the overall cholesterol circulating in your blood.
LDL Cholesterol
Often called “bad cholesterol,” although cardiovascular risk is more complicated than simply labeling one molecule good or bad.
HDL Cholesterol
Often referred to as “good cholesterol.”
Triglycerides
A type of fat found in your bloodstream.
Your lipid numbers help your healthcare provider assess cardiovascular risk, but they shouldn’t necessarily be interpreted in isolation.
Other factors matter, including:
❤️ Blood pressure
🚭 Smoking
🩸 Diabetes
👨👩👧 Family history
🎂 Age
⚖️ Overall metabolic health
Your healthcare provider can help put your lipid results into context.
6. Thyroid-Stimulating Hormone (TSH)
Your thyroid plays an important role in regulating many body processes.
TSH, or thyroid-stimulating hormone, is commonly used as part of evaluating thyroid function.
Thyroid disorders can be associated with symptoms such as:
😴 Fatigue
⚖️ Weight changes
❤️ Changes in heart rate
🥶 Temperature sensitivity
💩 Changes in bowel habits
🧠 Difficulty concentrating
However, these symptoms are nonspecific.
Being tired doesn’t automatically mean you have a thyroid problem.
When appropriate, your healthcare provider may consider TSH alongside additional thyroid testing and your clinical symptoms.
7. Liver Enzymes
Common liver-related measurements include:
ALT
and
AST
These enzymes may be included in a comprehensive metabolic panel.
Elevated liver enzymes can occur for numerous reasons.
Possible contributors may include:
- Certain medications
- Alcohol
- Metabolic conditions
- Liver disease
- Strenuous exercise in some situations
- Other health conditions
One abnormal liver enzyme doesn’t automatically identify the cause.
Your provider may repeat testing or perform additional evaluation depending on the result and your medical history.
8. Kidney Function: Creatinine and eGFR
Your kidneys help filter waste products from your blood and regulate fluid and electrolyte balance.
Two numbers you may see on routine laboratory testing are:
Creatinine
Creatinine is a waste product related to normal muscle metabolism that is filtered by the kidneys.
eGFR
Estimated glomerular filtration rate, or eGFR, is an estimate of kidney filtration function.
Kidney results can be influenced by multiple factors.
That’s why trends over time may provide useful information.
If results are abnormal, your healthcare provider can determine whether additional testing is necessary.
9. Iron and Ferritin
If you’re struggling with unexplained fatigue, your healthcare provider may consider whether iron status deserves evaluation.
Iron is essential for numerous processes, including oxygen transport.
Testing may include measurements such as:
- Serum iron
- Ferritin
- Transferrin
- Total iron-binding capacity
- Transferrin saturation
Ferritin reflects stored iron, although its interpretation can be affected by other factors.
Iron deficiency can occur with or without anemia.
Women who menstruate may be at increased risk of iron deficiency depending on menstrual blood loss and other factors.
Don’t begin high-dose iron supplementation simply because you’re tired.
Too much iron can be harmful.
Testing first is generally much more useful.
10. Vitamin B12 and Vitamin D
Vitamin testing is sometimes appropriate depending on symptoms, diet, medications, risk factors, and medical history.
Vitamin B12
Vitamin B12 plays important roles in:
🧠 Neurologic function
🩸 Red blood cell formation
🧬 DNA synthesis
Deficiency may occur for several reasons, including inadequate intake or problems with absorption.
Vitamin D
Vitamin D contributes to areas including bone and mineral health.
Your healthcare provider can determine whether vitamin D testing or supplementation is appropriate based on your individual circumstances.
More supplementation isn’t automatically better.
What Does It Mean When a Lab Result Is Flagged “High” or “Low”?
Don’t panic.
A laboratory flag simply means your result falls outside that laboratory’s listed reference range.
It does not automatically mean you have a disease.
A result may be slightly outside the range for numerous reasons.
Your healthcare provider may:
- Compare it with previous results
- Review medications
- Consider symptoms
- Repeat the test
- Order additional testing
- Determine that no immediate action is necessary
The magnitude and pattern of abnormalities matter.
Why Trends Can Be More Useful Than One Result
Imagine your fasting glucose results looked like this over several years:
Year 1: 82
Year 2: 87
Year 3: 91
Year 4: 96
Each result might be viewed differently depending on the laboratory and clinical circumstances.
But seeing them together reveals something else:
a trend.
That’s one reason maintaining a relationship with a healthcare provider and reviewing results over time can be valuable.
The same concept can apply to:
- Glucose
- A1C
- Cholesterol
- Kidney markers
- Liver enzymes
- Blood counts
- Other laboratory measurements
A single snapshot is useful.
A series of snapshots can tell a more complete story.
Should You Get Every Possible Lab Test?
Probably not.
More testing doesn’t automatically mean better healthcare.
Ordering dozens of tests without a clinical reason can lead to incidental abnormalities, unnecessary anxiety, additional testing, and added expense.
Testing should ideally answer a question.
For example:
Why am I persistently fatigued?
Why have my menstrual cycles changed?
What is my cardiovascular risk?
How is my blood glucose trending?
Does my medication require monitoring?
The appropriate tests depend on the individual.
What About “Optimal” Versus “Normal” Lab Ranges?
You’ll often hear wellness influencers say:
“Your labs might be normal, but they’re not optimal.”
This phrase deserves caution.
Reference ranges and treatment targets aren’t interchangeable, and appropriate clinical targets can differ depending on the test, health condition, age, risk factors, and medical guidelines.
There are situations where treatment goals are narrower than a laboratory’s general reference range.
But there isn’t one universal “optimal” number for every laboratory marker and every person.
Your results should be interpreted in the context of you.
Don’t Diagnose Yourself From a Patient Portal
Patient portals are incredibly useful.
They also allow you to see laboratory results before you’ve spoken with your healthcare provider.
That can create anxiety.
You see one number highlighted in red.
Then you search it online.
Twenty minutes later, you’ve convinced yourself you have six diseases.
Instead, remember:
A laboratory result is data—not a diagnosis.
Wait until the result can be interpreted alongside the rest of your health information.
How to Prepare for Your Next Lab Review
When you meet with your healthcare provider, consider asking:
“Were any of my results concerning?”
Start with the big picture.
“How do these compare with my previous labs?”
Look for trends.
“Are there lifestyle changes I should make?”
Turn information into action.
“Do any tests need to be repeated?”
Some abnormalities deserve follow-up.
“Do my symptoms suggest we should investigate anything further?”
Connect laboratory testing with how you’re actually feeling.
You should leave the conversation understanding what your results mean and what happens next.
Your Labs Are Only Part of Your Health Story
It’s easy to become obsessed with numbers.
But good health can’t be summarized by one laboratory report.
Your overall health also includes:
🥗 Nutrition
🏋️ Strength
🚶 Physical activity
😴 Sleep
🧘 Stress
❤️ Cardiovascular fitness
🧠 Mental well-being
⚖️ Metabolic health
👨👩👧 Social connection
🚭 Lifestyle habits
Laboratory testing can provide valuable information.
But numbers should support the clinical picture—not replace it.
The Functional Medicine Approach to Laboratory Testing
A personalized approach starts with your story.
Why are you seeking care?
What symptoms are you experiencing?
What has changed?
What does your medical history show?
What medications are you taking?
What does your lifestyle look like?
From there, appropriate laboratory testing may help provide additional information.
Depending on the individual, evaluation might consider areas such as:
🩸 Blood glucose
❤️ Cardiovascular markers
🧬 Hormonal health
🦋 Thyroid health
🥩 Nutritional status
🩺 Liver and kidney function
🧪 Other clinically appropriate testing
The goal shouldn’t be ordering the largest laboratory panel possible.
The goal is obtaining information that helps guide thoughtful, individualized care.
The Bottom Line
Blood work can provide valuable insight into your health—but don’t judge your entire health status by whether your numbers are red or green in a patient portal.
Common laboratory tests can provide information about your:
Blood cells.
Blood glucose.
Cardiovascular risk.
Thyroid.
Liver.
Kidneys.
Iron status.
Certain vitamins.
And other aspects of your health.
The most useful approach combines laboratory results with your symptoms, health history, medications, lifestyle, and trends over time.
At Ever Wellness, we believe you should understand your health—not simply receive a printout full of numbers.
Because better information can help you have better conversations, make informed decisions, and take a more active role in your long-term wellness.
Want to Better Understand What Your Health Numbers Mean?
If you’re dealing with fatigue, weight changes, metabolic concerns, hormone-related symptoms, or simply want a more personalized understanding of your health, Ever Wellness can help you look at the bigger picture.
Our approach considers your health history, symptoms, lifestyle, goals, and appropriate laboratory testing to help create an individualized wellness strategy.
Schedule your consultation today and take the next step toward better understanding your health.
