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HDL42
Triglycerides180
ApoB110
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Platelet Countmg/dL
White Blood Cell Count (WBC)mg/dL
Hemoglobinmg/dL
107 fL high (macrocytic)
0 from your result
very lowlownormalhighvery high
50normal (normocytic) 80 to 101130
what this means

107 is high (macrocytic), just outside the range for MCV.

this is the average reading · make it yours below

This one sits close to the edge. Not a problem today, but it is the band where small changes decide which way it goes, and where the rest of your panel starts to matter more than this number alone.

You are 6 fL over the normal (normocytic) ceiling of 101. That reads high (macrocytic).

107 is high (macrocytic). That is above the normal range for MCV. How much it matters depends on the markers it travels with, which is what the sections below are rewritten against.

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Your BloodMarker report · Mean Corpuscular Volume (MCV)

Mean Corpuscular Volume (MCV) 107 fL: Is That High?

Not really. 107 fL is just outside the normal range for MCV.

But a number alone is only half the story. Your Platelet Count, White Blood Cell Count (WBC) and your risk factors decide how much it means. Tell it who you are.

Reviewed against ASH, NIH, Mayo Clinic, CDC guidelines · Last reviewed March 25, 2026

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YOUR NUMBERS

What they say together.

Mean Corpuscular Volume (MCV) is read as part of a set. Add the ones printed next to it on your test and the figures below work themselves out, with the ranges this page uses for each.

fL
g/dLexampleNORMAL
%exampleNORMAL
K/uLexampleNORMAL

Is Mean Corpuscular Volume (MCV) 107 fL Low, Normal, or High?

Mean Corpuscular Volume (MCV) 107 fL might be considered on the higher side when compared to typical reference ranges. This measurement gives insight into the average size of your red blood cells.

A value like this could suggest that your red blood cells are somewhat larger than what is commonly seen. Understanding this number is a step toward uncovering more about your body's processes and what it might be communicating.

what this page cannot tell you

Hemoglobin levels combined with this marker can reveal underlying conditions that neither value shows on its own

This page has not been given your Hemoglobin, so that half of the picture is missing here. It is describing the average reader with Mean Corpuscular Volume (MCV), not you.

Read mine against my Hemoglobin →

An MCV value of 107 fL signals macrocytosis, indicating that your red blood cells are notably larger than the typical size. This specific elevation, moderately exceeding the 80-100 fL normal range, often points towards an underlying issue impacting red blood cell formation in the bone marrow.

At this level, common likely causes include deficiencies in vitamin B12 or folate, both essential for proper DNA synthesis during cell division, leading to enlarged red cells that don't divide correctly.

Chronic alcohol consumption is another frequent contributor, directly affecting bone marrow function and red blood cell structure. Less commonly, certain medications or early stages of liver disease might also present with an MCV around 107 fL.

To identify the exact cause, your healthcare provider will typically order follow-up tests such as serum B12 and folate levels, liver function tests, and sometimes a reticulocyte count, alongside a detailed review of your medical history and lifestyle.

An important detail many patients don't realize is that even with an MCV of 107 fL, you might not experience any noticeable symptoms, as the body can often compensate initially.

Nevertheless, investigating this finding is crucial, as early intervention can prevent the progression of the underlying condition and improve overall health.

Blood cells and Mean Corpuscular Volume (MCV) Red blood cells White blood cells Platelets A complete blood count measures all types of blood cells
for your numbersThe section below is written for 107 against a general adult target. What 107 means for you depends on the rest of your lipids and your other risk factors. Your report starts from your whole picture, not one line.
for your numbersThe risk below is the average one for this MCV. Whether it applies to you depends on the rest of your panel, which the article has not been given. Add them and this stops describing strangers.

Hidden Risk of Mean Corpuscular Volume (MCV) 107 fL

Understanding what a Mean Corpuscular Volume (MCV) 107 fL might signify can open a window into various aspects of your health, without implying immediate alarm. While this value itself is not a diagnosis, it often encourages a closer look at factors that influence red blood cell size.

For instance, sometimes a higher MCV can be associated with how your body processes certain essential vitamins, particularly B vitamins like folate and vitamin B12, which are crucial for healthy cell development.

Conditions affecting the liver or thyroid function can also sometimes play a role in influencing red blood cell size, making them larger than usual. It's important to remember that many different elements contribute to overall wellness, and a single number like Mean Corpuscular Volume (MCV) 107 fL is best understood within a larger health picture.

Exploring these potential connections can be an empowering journey in understanding your body better.

what this page cannot tell you

Kidney function reflected by creatinine affects how this marker is processed and what your levels actually mean

This page has not been given your Creatinine, so that half of the picture is missing here. It is describing the average reader with Mean Corpuscular Volume (MCV), not you.

Read mine against my Creatinine →

A Mean Corpuscular Volume at 107 fL, while not drastically elevated, suggests a cellular environment where red blood cells are consistently enlarged. This macrocytosis can be an early indicator of underlying issues affecting red blood cell production or survival.

Specifically, this degree of enlargement may hint at developing deficiencies in vitamin B12 or folate, crucial for DNA synthesis necessary for normal red blood cell maturation. Over time, significant B12 deficiency, even at this level, can lead to neurological symptoms such as tingling, balance problems, and cognitive impairment due to compromised nerve function, alongside the potential for developing pernicious anemia, an autoimmune condition that impairs B12 absorption.

for your numbersThis section lists every reason MCV moves, because on its own the number cannot say which is yours. The rest of your panel and a few risk factors would cross most of them off in a sentence.

Here are some general areas that might be explored in relation to larger red blood cell size:

  • Vitamin B12 and folate levels.
  • Liver health and function.
  • Thyroid gland activity.

This part is about the number

Everything below explains what raises Mean Corpuscular Volume (MCV). It cannot tell you which of them is yours.

Your test can. Every marker on it is read against every other one, which is where the answer actually lives.

PDF or a photo of the printout · read in seconds

What Does a Mean Corpuscular Volume (MCV) Level of 107 fL Mean?

The Mean Corpuscular Volume (MCV) is a measurement that simply describes the average size of your red blood cells. Think of it as knowing the average size of all the cars in a fleet; some might be smaller, some larger, but MCV gives you the overall average.

When this measurement is 107 fL, it means, on average, your red blood cells are larger than what is typically observed in many individuals. The 'fL' stands for femtoliters, which is a very tiny unit of volume, helping to measure these microscopic cells.

Red blood cells are the vital transporters of oxygen throughout your body, delivering it from your lungs to every tissue and organ. Their size can be an important indicator because it can reflect how they are being produced and matured in your bone marrow, the body's cell factory.

A variation in their average size, like a Mean Corpuscular Volume (MCV) 107 fL, doesn't immediately point to a specific problem but rather highlights an area for further discussion with your healthcare provider to understand the full context of your health.

It encourages a more comprehensive look at your well-being, helping you and your doctor connect the dots.

An MCV of 107 fL most plausibly points to a developing vitamin B12 deficiency, potentially from inadequate dietary intake common in strict vegetarian or vegan diets, or early stages of malabsorption.

Another strong possibility is folate deficiency, also impacting DNA synthesis and leading to enlarged red blood cells, often linked to poor nutrition, certain medications that interfere with folate metabolism, or conditions like celiac disease.

Less commonly, this level might reflect early liver disease affecting lipid metabolism or the use of certain medications that disrupt red blood cell production, such as some older chemotherapy agents.

Your MCV 107 means different things depending on your other markers

MCV + Hemoglobin
Hemoglobin levels combined with this marker can reveal underlying conditions that neither value shows on its own
MCV + Creatinine
Kidney function reflected by creatinine affects how this marker is processed and what your levels actually mean
MCV + Fasting Blood Glucose
Blood sugar status interacts with this marker in ways that change the clinical significance of your result
Upload your blood test, get your real plan back to normal →
The part one number cannot show
Your MCV of 107 means different things depending on its companion markers.
Your full panel shows which story is yours.
See what is driving yours →

Lifestyle Changes for Mean Corpuscular Volume (MCV) 107 fL

While the Mean Corpuscular Volume (MCV) 107 fL is a specific measurement that needs professional interpretation, adopting a generally healthy lifestyle can support overall blood health and well-being. Focusing on broad lifestyle enhancements contributes to the robust functioning of all your body's systems, including those involved in blood cell production.

Regular physical activity, for example, is widely recognized by health organizations like the American Heart Association for its numerous benefits, from supporting cardiovascular health to promoting better circulation, which in turn benefits all cells, including red blood cells.

Managing stress effectively through practices like mindfulness, meditation, or spending time in nature can also have a positive impact on your body's internal balance. Moreover, ensuring you get adequate and restorative sleep each night plays a crucial role in your body's ability to repair and rejuvenate itself.

These kinds of holistic lifestyle choices help maintain equilibrium and support the healthy production and function of all your body's cells, indirectly fostering a resilient internal environment. They are foundational pillars of health that contribute to your vitality and can be empowering steps in supporting your overall health journey, regardless of specific blood test results.

Given an MCV reading of 107 fL, the immediate next step is a follow-up test including serum vitamin B12 and folate levels to pinpoint the cause of the macrocytosis. Simultaneously, review your diet for adequate sources of these vitamins, particularly if you follow a plant-based eating plan.

If you are taking any new medications or supplements, discuss them with your healthcare provider. Depending on the results of the vitamin assays, a referral to a gastroenterologist may be necessary to investigate potential malabsorption issues. Tracking your energy levels and any new neurological sensations is also advised.

for your numbersThe portions below are generic because the page does not know your body. Add your height and weight above and the fibre targets resize to you at once, a small preview of what the full report does with every number.

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Sources

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