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Functional laboratory education

The Foundations Lab Edit

Before specialized protocols, understand the basics. Start with your story, food, sleep, movement, medications, and relevant exposures, then select the tests most likely to change care.

By Dr. Michele Burklund, ND · Updated November 1, 2026

Begin with the foundations

A question before a panel.

Begin with the question, then choose the test. Food, sleep, movement, connection, oral care, and relevant environmental changes remain the foundation. Laboratory work is most useful when a finding could change a decision.

01 / BLOOD & NOURISHMENT

Blood & Nourishment

A blood count and individually selected nutrient tests may help investigate symptoms or risk factors. Results need context, especially when inflammation or recent illness may alter them.

02 / METABOLIC FOUNDATIONS

Metabolic Foundations

The selected lipid and metabolic panels offer context about blood fats, glucose, electrolytes, proteins, and liver and kidney markers. Review the combined pattern with food, movement, blood pressure, and family history.

03 / THYROID & IMMUNE CONTEXT

Thyroid & Immune Context

The selected comprehensive thyroid panel includes antibodies. Thyroid hormones describe function, while antibodies can support investigation of an autoimmune process; an antibody result is not a measure of how well you feel.

04 / A BROADER BASELINE

A Broader Baseline

The selected female functional-health panel combines multiple systems. Review its components and previous results before ordering, because a broad panel may overlap with the smaller foundational options.

A closer look

What the findings can tell us.

01

Standard lipid panel

Measures total cholesterol, HDL cholesterol, LDL cholesterol, and triglycerides. It is a foundational view of blood lipids that I consider alongside blood pressure, glucose, family history, nourishment, and movement. Looking at the full pattern and its changes over time helps frame a more useful cardiovascular conversation than focusing on one number in isolation.

Specimen
Blood; confirm the exact specimen and collection requirements on your order.

Timing & collection
Follow the instructions supplied with the exact order. Fasting and medication timing may change when tests are combined.

Interpret with the reason for testing, symptoms, medical history, and the laboratory method. An isolated result is not a diagnosis.

VIEW IN THE FULLSCRIPT LAB COLLECTION →
02

Comprehensive metabolic panel

Measures glucose, electrolytes, calcium, proteins, and markers related to liver and kidney function. This is a broad starting point for understanding several connected aspects of physical health. I review the pattern alongside your symptoms, hydration, nutrition, and previous results to help decide whether a more focused investigation would be useful.

Specimen
Blood; confirm the exact specimen and collection requirements on your order.

Timing & collection
Follow the instructions supplied with the exact order. Fasting and medication timing may change when tests are combined.

Interpret with the reason for testing, symptoms, medical history, and the laboratory method. An isolated result is not a diagnosis.

VIEW IN THE FULLSCRIPT LAB COLLECTION →
03

Comprehensive thyroid panel with antibodies

Pairs thyroid measurements with thyroid antibodies that can help investigate an autoimmune contribution to thyroid changes. I consider it when symptoms, family history, or prior results call for a fuller thyroid picture. Hormone results and antibody findings answer different questions; together with your history, they can help distinguish thyroid function from an immune process affecting the gland.

Specimen
Blood; confirm the exact specimen and collection requirements on your order.

Timing & collection
Follow the instructions supplied with the exact order. Fasting and medication timing may change when tests are combined.

Interpret with the reason for testing, symptoms, medical history, and the laboratory method. An isolated result is not a diagnosis.

VIEW IN THE FULLSCRIPT LAB COLLECTION →
04

Functional health panel · female

A broad panel spanning hormones, thyroid function, metabolism, cardiovascular markers, inflammation, nutrient status, and selected environmental exposures. It includes measurements such as iron and ferritin, vitamin D, thyroid hormones and antibodies, sex hormones, and detailed lipid markers. I consider this option when a wider baseline is appropriate, while reviewing existing results to avoid unnecessary duplication.

Specimen
Blood and urine; the selected Access Medical Labs panel requires coordinated collection.

Timing & collection
Current catalog instructions specify a 12-hour fast, urine collection before the blood draw, and shipping specimens together. Individual medical instructions take precedence.

The broad panel overlaps with many separate tests. More measured markers can produce incidental findings; order only after reviewing existing results and clinical purpose.

VIEW IN THE FULLSCRIPT LAB COLLECTION →
05

Complete blood count with differential & platelets

Measures red blood cells, hemoglobin, hematocrit, platelets, and the numbers of different white blood cell types. It offers foundational information about oxygen-carrying capacity, immune-cell patterns, and clotting cells. I use it to add context when investigating fatigue or changes in physical health, often alongside iron studies or other tests selected around the individual story.

Specimen
Blood; confirm the exact specimen and collection requirements on your order.

Timing & collection
Follow the instructions supplied with the exact order. Fasting and medication timing may change when tests are combined.

Interpret with the reason for testing, symptoms, medical history, and the laboratory method. An isolated result is not a diagnosis.

VIEW IN THE FULLSCRIPT LAB COLLECTION →

Collect with intention.

A1c alone does not require fasting. Fasting plasma glucose generally requires at least eight hours without food; follow your own laboratory and clinician instructions.

Keep the limits in view.

Neither an in-range result nor a long panel is a guarantee of health. Review results with trends, symptoms, and the clinical purpose of testing.

Results belong within your history, symptoms, examination, medications, and the laboratory's method. A reference interval is not a universal target for every person. There is no single validated set of 'optimal' values that applies across all assays and life stages.

Availability, ordering requirements, collection fees, and eligibility vary by test and location. Review the current Fullscript listing and your clinician's instructions before purchasing.

VIEW THE LAB COLLECTION ON FULLSCRIPT

Good questions. Thoughtful answers.

Do I need every test in this guide?

No. Choose a test only when its result may change a useful decision, taking existing results, symptoms and your budget into account.

Does an out-of-range result identify the root cause?

Not by itself. Interpretation depends on the assay, collection, history and the pattern across findings. A result can be one clue without being the explanation.

Where can I see ordering requirements?

Open the individual Fullscript listing for current availability, specimen instructions and eligibility. A collection may include alternatives rather than tests intended to be purchased together.

Related reading.

Research & references

Educational information, not an individualized order or interpretation. Purchases through my storefront may financially support my practice.