Myalgia Panel With Lipoprotein Fractionation Blood Test Panel
This blood test panel combines muscle-injury markers with advanced lipid fractionation to clarify soreness causes and cardiovascular risk patterns.
This panel bundles multiple biomarker tests in one order—your report explains how results fit together.

This is a bundled lab panel, not a single lab value. It pairs muscle-related blood markers (often used when you have aches, cramps, or weakness) with lipoprotein fractionation (a deeper look at how cholesterol is carried in your blood) so you can connect symptoms, medications, training, and cardiometabolic risk in one draw.
If you are trying to reconcile “LDL vs ApoB” debates, saturated fat headlines, or new muscle pain after changing exercise or starting a lipid-lowering medication, this panel is designed to give you more context than a basic lipid panel alone.
Do I need this panel?
You might consider this lab panel if you have new or persistent muscle aches (myalgia), cramps, heaviness, or weakness—especially when the timing overlaps with a change in training volume, a new medication (including statins), a viral illness, dehydration, or a big diet shift.
This panel can also be useful when you are actively working on cardiovascular risk reduction and you want more detail than “LDL-C is high/low.” Lipoprotein fractionation helps you see whether your cholesterol is concentrated in a higher number of atherogenic particles (often reflected by ApoB and particle counts) or whether the pattern looks more triglyceride-driven, insulin-resistance–leaning, or mixed.
You may get the most value when you are comparing interventions to bloodwork—such as changing saturated fat intake, adding soluble fiber, losing weight, increasing training, adjusting alcohol, or starting/stopping lipid-lowering therapy—and you want to track both muscle tolerance and lipid response together.
This panel supports clinician-directed care and shared decision-making. It cannot diagnose the cause of muscle pain on its own, but it can help you and your clinician decide what to repeat, what to change, and what needs urgent evaluation.
Results and reference ranges vary by lab and method; fractionation and particle metrics are best interpreted alongside your overall risk profile and medications.
Lab testing
Order the Myalgia Panel With Lipoprotein Fractionation
Schedule online, results typically within about a week
Clear reporting and optional clinician context
HSA/FSA eligible where applicable
Get this panel with Vitals Vault
Vitals Vault lets you order this lab panel directly so you can move from “I’m not sure what this means” to a clear, organized view of your muscle markers and advanced lipids in one place.
After your blood draw, you can review results as a set—because patterns matter. For example, muscle symptoms with a normal creatine kinase (CK) can point you toward different next steps than symptoms with a marked CK rise, and LDL-C can tell a different story than ApoB or particle-based measures.
If you want help translating multiple results into an action plan, PocketMD can walk through what is most likely driving your pattern (diet, training load, insulin resistance, medication effects, thyroid status, inflammation, or genetics) and what to discuss with your clinician—without turning one number into a headline.
You can also use this panel for repeat testing when you change diet or therapy, so you can see whether improvements are coming from fewer atherogenic particles, lower triglycerides, better HDL function markers, or simply a shift in cholesterol distribution.
- Direct-to-consumer ordering with clear next-step guidance
- Designed for pattern recognition across muscle markers and advanced lipids
- PocketMD support for multi-marker interpretation and follow-up questions
Key benefits of the Myalgia Panel With Lipoprotein Fractionation
- Checks for biochemical signs of muscle injury or stress while you are evaluating aches, cramps, or weakness.
- Adds lipoprotein fractionation so you can see particle-related risk signals that LDL-C alone can miss.
- Helps separate “cholesterol amount” from “particle number” patterns (LDL-C versus ApoB/particle metrics).
- Supports safer medication decisions by pairing muscle-tolerance context with lipid-lowering response.
- Improves diet-to-labs feedback by showing whether changes shift triglycerides, HDL patterns, and LDL distribution.
- Flags patterns that may warrant add-on testing (such as Lp(a) or inflammation markers) for fuller risk modeling.
- Makes repeat testing more meaningful by tracking a consistent set of advanced lipid and muscle-related markers over time.
What is the Myalgia Panel With Lipoprotein Fractionation panel?
The Myalgia Panel With Lipoprotein Fractionation is a multi-biomarker blood test panel that combines two goals in one order:
First, it looks at lab markers commonly used to evaluate muscle symptoms. Myalgia is the medical term for muscle pain. Muscle discomfort can come from many causes—training load, electrolyte shifts, medication effects, thyroid problems, infections, inflammatory conditions, and more. Blood markers cannot “prove” the cause, but they can show whether there is evidence of muscle cell injury, inflammation, or metabolic strain that changes what you do next.
Second, it includes advanced lipid testing with lipoprotein fractionation. Lipoproteins are the particles that carry cholesterol and triglycerides through your bloodstream. Fractionation (sometimes reported as particle size, particle number, or subfractions) provides a more detailed picture than a standard lipid panel. This matters because cardiovascular risk is more closely tied to the number of atherogenic particles (often captured by ApoB or LDL particle measures) than to cholesterol content alone (LDL-C).
Putting these together is practical when you are balancing heart-risk goals with real-world tolerability. For example, if you are considering or already using lipid-lowering therapy and you develop muscle symptoms, the combination of muscle markers and advanced lipid metrics helps you and your clinician decide whether symptoms are likely related, how urgent the situation is, and whether the lipid benefit is being achieved.
This panel is also useful if you are experimenting with diet changes (like increasing saturated fat, going low-carb, or changing alcohol intake) and want to see whether your lipid pattern shifts toward higher ApoB/LDL particle burden, higher triglycerides, or a more favorable distribution—while also keeping an eye on muscle-related signals if your training is changing at the same time.
Why LDL-C and ApoB can disagree
LDL-C estimates how much cholesterol is carried inside LDL particles. ApoB reflects how many atherogenic particles you have (each LDL, VLDL remnant, and Lp(a) particle typically carries one ApoB). You can have a “normal” LDL-C with a high particle number, or a high LDL-C with a less concerning particle count. Fractionation and particle metrics help explain the mismatch.
What “fractionation” adds beyond a basic lipid panel
A basic lipid panel reports total cholesterol, LDL-C, HDL-C, and triglycerides. Fractionation adds information about the distribution of lipoproteins—often including LDL particle number or size patterns and remnant-related signals. This can clarify whether your pattern is more consistent with insulin resistance (often higher triglycerides, lower HDL-C, smaller LDL particles) versus a pattern driven by higher LDL particle burden with relatively normal triglycerides.
How muscle markers fit the story
Muscle-related labs (such as creatine kinase) can rise after intense exercise, trauma, or certain medications, and they can also be normal even when you feel significant pain. The goal is not to label you based on one value, but to see whether your symptom story matches the lab pattern and whether you need rest, hydration/electrolyte support, medication review, or further medical evaluation.
What do my panel results mean?
When “low” results show up on this panel
In this panel, “low” most often applies to parts of the lipid profile (for example, low triglycerides or low ApoB/LDL particle measures) rather than muscle injury markers. A generally low atherogenic-particle pattern—lower ApoB with favorable fractionation—usually suggests lower particle-driven cardiovascular risk, especially if blood pressure, glucose/insulin markers, and family history are also favorable. If HDL-C is low while triglycerides are high or borderline, that pattern can still signal insulin resistance even if LDL-C is not dramatically elevated. For muscle markers, a “low/normal” CK and related enzymes can be reassuring when you have aches, but it does not rule out non-injury causes of pain (such as tendinopathy, nerve irritation, thyroid issues, vitamin D deficiency, or medication side effects without overt muscle breakdown).
What an “optimal” pattern looks like
An optimal panel pattern is usually a combination of (1) muscle markers that are within the lab’s reference range and stable over time, and (2) advanced lipid results that show a lower burden of atherogenic particles (often reflected by ApoB and particle metrics) with triglycerides in a healthy range. In practice, you are looking for alignment: LDL-C, ApoB, and fractionation measures tell a consistent story rather than conflicting signals. If you are making diet or medication changes, an optimal pattern is also one that is repeatable—your results hold steady across similar conditions (similar fasting time, similar training load, and no recent illness) rather than swinging dramatically from test to test.
When “high” results matter most
High results on this panel can mean different things depending on which category is elevated. A markedly elevated muscle injury marker (such as CK) can occur after hard exercise, but it can also signal clinically important muscle breakdown—especially if it is very high or paired with dark urine, severe weakness, fever, or dehydration. Separately, high atherogenic-particle measures (such as higher ApoB and unfavorable fractionation/particle patterns) can indicate higher cardiovascular risk even when LDL-C looks only mildly elevated. High triglycerides with low HDL-C often points toward insulin resistance, excess alcohol, high refined carbohydrate intake, or uncontrolled diabetes, and it can shift LDL particles toward smaller, denser forms. The most actionable “high” pattern is one that repeats on a second test under similar conditions and matches your overall risk factors.
Factors that influence this panel
Your results can change based on timing, behavior, and medications. Strenuous exercise (especially unaccustomed eccentric lifting), dehydration, heat exposure, and recent injury can raise muscle markers for days. Statins and other lipid-lowering therapies can change lipid fractions and, in some people, contribute to muscle symptoms; supplements and drug interactions can also affect tolerance. For lipids, fasting status, recent alcohol intake, weight change, thyroid function, menopause status, and carbohydrate quality can shift triglycerides, HDL-C, and particle distribution. Genetics can strongly influence ApoB-related patterns and can be a major driver of discordance between LDL-C and particle measures. If you are comparing diets, keep your pre-test conditions consistent (similar fasting window, similar training in the prior 48–72 hours, and no acute illness) so changes are easier to interpret.
What’s included in this panel
- Uric Acid
- Lipoprotein (A)
- Tsh
- Cholesterol, Total
- Hdl Cholesterol
- Triglycerides
- Ldl-Cholesterol
- Chol/Hdlc Ratio
- Ldl/Hdl Ratio
- Non Hdl Cholesterol
- Apolipoprotein A1
- Apolipoprotein B
- Apolipoprotein B/A1 Ratio
- Vitamin B12
- Folate, Serum
- Ldl Particle Number
- Ldl Small
- Ldl Medium
- Hdl Large
- Ldl Pattern
- Ldl Peak Size
- Vitamin D, 25-Oh, Total
- Vitamin D, 25-Oh, D3
- Vitamin D, 25-Oh, D2
Frequently Asked Questions
Do I need to fast for this panel?
Fasting is often recommended for the most consistent triglyceride and fractionation results (commonly 8–12 hours), but requirements can vary by lab. If you are tracking changes over time, use the same fasting window each time and avoid alcohol the day before when possible.
How should I time this panel if I’m sore from workouts?
Hard or unfamiliar exercise can raise muscle markers like CK for several days. If your goal is to evaluate unexplained myalgia, consider avoiding intense training for 48–72 hours before the draw (unless your clinician advises otherwise). If your goal is to understand how your body responds to training, document your workouts so the results are interpreted in context.
What’s the difference between LDL-C and ApoB in this panel?
LDL-C estimates the amount of cholesterol inside LDL particles. ApoB estimates the number of atherogenic particles (including LDL and remnant particles). When LDL-C and ApoB disagree, ApoB and particle-based measures often better reflect particle-driven cardiovascular risk, but the right target depends on your overall risk profile.
Can this panel tell if a statin is causing my muscle pain?
This panel can provide supporting evidence, but it cannot prove cause. Some people have muscle symptoms with normal CK, and CK can be elevated from exercise alone. The most useful approach is to interpret symptoms, timing, CK (and related markers), medication dose changes, and lipid benefit together with your clinician.
How often should I repeat this panel when changing diet or medication?
Many lipid changes stabilize within about 6–12 weeks after a consistent diet or medication adjustment, but your clinician may recommend a different interval based on risk level and symptoms. If you are monitoring muscle tolerance, you may repeat sooner if symptoms are significant or worsening.
Is lipoprotein fractionation the same as Lp(a) testing?
No. Fractionation describes how cholesterol and triglycerides are distributed across lipoprotein particles and sizes. Lipoprotein(a), or Lp(a), is a specific genetically influenced particle that often needs its own test. If you have a strong family history or unexpectedly high risk, adding Lp(a) can be helpful.
Is it better to order this panel or order tests separately?
A bundled panel is usually most helpful when you want a coordinated snapshot: muscle markers plus advanced lipid context collected at the same time. Ordering separately can make sense if you only need one category (for example, a basic lipid panel for routine screening), but it can be harder to interpret patterns when labs are drawn on different days.