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Inflammation Test: Chronic Inflammation Symptom Score

Twelve questions about what actually happened in your body over the past four weeks: energy, joints and skin, gut and weight, healing and immunity. You get a symptom score, a breakdown by domain, and a plain explanation of the one blood test most people searching this phrase actually want, hs-CRP, with its published bands.

  • Screener
  • About 4 min
  • Original items; hs-CRP bands from the AHA and CDC 2003 statement
  • Runs in your browser, nothing is sent
  • Medical review: Medical review pending
Start the test

What this test separates

Chronic low-grade inflammation has no single symptom and no single test. A questionnaire can organize what you notice; a blood test can show whether the inflammatory signal is measurable. This page keeps the two apart and tells you what each can and cannot say.

  1. 12

    Symptom load

    Twelve concrete situations from the past four weeks, each rated by how many days it happened, from not once to every day. Scored 0 to 36. The items are original, written to describe the patterns clinicians associate with persistent inflammation rather than any licensed questionnaire.

  2. 4

    Domain breakdown

    Energy and mind, joints and skin, gut and weight, immune and recovery. Where the points cluster matters more than the total, because a joint-and-skin pattern and a gut pattern point to different labs and different specialists.

  3. hs-CRP

    The lab, explained

    High-sensitivity C-reactive protein is the inflammation marker with the clearest published bands: below 1 mg/L, 1 to 3, above 3. The quiz cannot take a lab value, so the bands and what they mean sit in a section below the result.

How this compares with a typical online quiz

FeatureTypical free quizRegenerated.com
Items describe concrete situations in a stated time windowRarely; usually vague ratingsYes, the past four weeks, day counts
Domain breakdownNoFour domains, each with its own next step
Names the blood test and its published bandsRarelyYes, hs-CRP with the AHA and CDC bands, plus ESR, ferritin and calprotectin
Says what the quiz cannot tell youNoYes, on every band
Sells a supplement at the endOftenNo
Answers sent to a serverOftenNever; scored in your browser, counts-only events

Where an hs-CRP result sits

C-reactive protein is a protein the liver releases in response to inflammatory signals. The high-sensitivity assay (hs-CRP) measures the low concentrations that matter for chronic, low-grade inflammation; the standard CRP test used in hospitals is designed for infections and flares and does not resolve that range. The American Heart Association and the Centers for Disease Control and Prevention published the bands most laboratories still print in a 2003 scientific statement: below 1.0 mg/L is low, 1.0 to 3.0 mg/L is average, and above 3.0 mg/L is high, each describing relative cardiovascular risk in people without acute illness. A value above 10 mg/L usually reflects an acute cause such as an infection, an injury or a flare, and the statement advises repeating the test about two weeks later rather than reading it as chronic.

Two readings beat one. hs-CRP moves with a cold, a hard workout, poor sleep, a dental infection and the menstrual cycle, so a single value in the 1 to 3 band tells you little on its own. Reference ranges and the exact assay also differ between laboratories; compare your result with the range printed on your own report. If you already have an hs-CRP result, bring it with your symptom score: a high symptom load with an hs-CRP below 1 mg/L points away from systemic inflammation and toward other explanations, while a score in the moderate or high band with an hs-CRP above 3 mg/L is a reason to look for the source.

Which labs to ask for, by domain

Most people who search for an inflammation test want a blood test, so here is what clinicians actually order. For everyone: hs-CRP, a complete blood count with differential (white cells, platelets and hemoglobin all shift with inflammation), erythrocyte sedimentation rate (ESR, a slower and less specific marker), ferritin (an iron store that also rises with inflammation), fasting glucose with hemoglobin A1C, and a lipid panel. These are inexpensive and available through any primary care clinic.

If your points sit in joints and skin: add rheumatoid factor, anti-CCP antibodies and an antinuclear antibody (ANA) screen, and ask whether a rheumatology referral makes sense, especially with morning stiffness over 30 minutes or a visibly swollen joint. If they sit in gut and weight: ask about fecal calprotectin, a stool test that separates inflammatory bowel disease from irritable bowel patterns, plus celiac serology (tissue transglutaminase IgA with total IgA). If they sit in immune and recovery: thyroid function (TSH with free T4), vitamin D, and a review of recurrent infections. If they sit in energy and mind: the same thyroid and iron panel, a sleep history, and screening for sleep apnea if you snore or wake unrefreshed. None of these is a diagnosis; together they tell a clinician whether an inflammatory process is measurable and where to look.

What chronic low-grade inflammation is, and is not

Acute inflammation is the short, useful response to injury and infection: heat, swelling, pain, then resolution. Chronic low-grade inflammation is a persistent, lower-level signal, measurable as modestly raised hs-CRP, interleukin-6 and related markers, that research links to cardiovascular disease, type 2 diabetes, fatty liver, depression and frailty. A 2019 review in Nature Medicine summarized the drivers as excess body fat, physical inactivity, diet, disrupted sleep, chronic stress, smoking, persistent infections, gut barrier changes and environmental exposures. Many of those are modifiable, which is why clinicians look for them before treating a number.

It is not the same as an autoimmune disease, which involves the immune system attacking a specific tissue and is diagnosed by a specialist with antibody tests, imaging and examination. It is also not something a symptom quiz can confirm. Fatigue, brain fog, aches and gut symptoms overlap with thyroid disease, iron deficiency, depression, sleep apnea, perimenopause and medication effects. The score on this page organizes your symptoms so that a clinician can take them further; the labs above are how that happens.

Methodology and sources

The twelve items are original. They were written to cover the symptom domains clinicians associate with persistent systemic inflammation, grouped into energy and mind, joints and skin, gut and weight, and immune and recovery, and they ask how many days in the past four weeks a concrete event happened rather than how severe a symptom feels. No licensed inflammation questionnaire exists in the way that validated scales exist for sleep or depression, so there is no instrument to reproduce and none is reproduced here. The hs-CRP bands quoted on the page are the American Heart Association and CDC 2003 thresholds; they describe a blood result, not this score.

Each item is scored 0 (not once), 1 (on a few days), 2 (on most days) or 3 (every day), for a total of 0 to 36, with the four domains scored 0 to 9 each. The bands (0 to 6 low, 7 to 14 mild, 15 to 24 moderate, 25 to 36 high) are educational cut points chosen to separate an occasional symptom from a daily pattern; they have not been validated against hs-CRP or any diagnosis and should be read as a way to describe your month, not as a measurement of inflammation.

This is an educational screener. Symptom patterns cannot distinguish inflammation from thyroid disease, iron deficiency, depression, sleep apnea, perimenopause or medication effects, all of which produce the same fatigue, aches, fog and gut symptoms. A clinician makes that distinction with a history, an examination and the blood and stool tests described above. Persistent fever, unexplained weight loss, a hot swollen joint, blood in the stool or night sweats are reasons to be seen whatever the score.

Medical review: Medical review pending. Last updated .

References

  1. Pearson TA, Mensah GA, Alexander RW, et al. Markers of inflammation and cardiovascular disease: application to clinical and public health practice. A statement for healthcare professionals from the Centers for Disease Control and Prevention and the American Heart Association. Circulation. 2003;107(3):499-511. doi:10.1161/01.CIR.0000052939.59093.45
  2. Furman D, Campisi J, Verdin E, et al. Chronic inflammation in the etiology of disease across the life span. Nat Med. 2019;25(12):1822-1832. doi:10.1038/s41591-019-0675-0
  3. Ridker PM, Rifai N, Rose L, Buring JE, Cook NR. Comparison of C-reactive protein and low-density lipoprotein cholesterol levels in the prediction of first cardiovascular events. N Engl J Med. 2002;347(20):1557-1565. doi:10.1056/NEJMoa021993
  4. Sproston NR, Ashworth JJ. Role of C-reactive protein at sites of inflammation and infection. Front Immunol. 2018;9:754. doi:10.3389/fimmu.2018.00754

Inflammation Test: Chronic Inflammation Symptom Score FAQ

Yes, several. High-sensitivity C-reactive protein (hs-CRP) is the one with the clearest published bands. Erythrocyte sedimentation rate (ESR), ferritin, a complete blood count and fecal calprotectin (for the gut) are the others clinicians commonly use. The section above lists which to ask for based on where your symptoms cluster.

The AHA and CDC bands are below 1.0 mg/L low, 1.0 to 3.0 mg/L average and above 3.0 mg/L high, in people without an acute illness. Above 10 mg/L usually means an acute cause and the test is repeated two weeks later. Laboratories print their own reference range on the report; compare with that, and remember a single value moves with a cold, a hard workout or poor sleep.

No. It organizes what you have noticed over the past four weeks into a score and four domains so you can describe it clearly. Whether an inflammatory process is actually present is a question for blood and stool tests ordered by a clinician, who will also look at thyroid, iron, sleep and medications, because those produce the same symptoms.

Not necessarily. Low-grade inflammation measured by hs-CRP is often silent, which is why the marker is used for cardiovascular risk in people who feel well. A low score means your month did not carry a symptom pattern; an hs-CRP result is the only way to know where the marker sits.

In trials, the largest effects on hs-CRP come from weight loss in people with excess body fat, regular exercise, stopping smoking, treating sleep apnea and treating the underlying cause when one is found (an infection, a gut condition, an autoimmune disease). Diet pattern matters; single supplements rarely move the marker much. A clinician can tell you which applies to you.

Yes. Your answers and the numbers you enter are scored in your browser and are never sent to us. They stay in this browser tab so you can return to your result, and closing the tab clears them. The only thing the page sends us is a counts-only event: which test was started or completed, the result band and the headline number, with no answers, no entered values and no account. There is nothing to sign up for.

Find clinics that test before they treat

Browse US clinics offering IV therapy and related inflammation work. Look for ones with physician oversight that order hs-CRP and the labs above before proposing anything, explain the evidence for each infusion, and repeat the labs afterwards. A listing on Regenerated.com is not an endorsement.

Browse IV therapy clinics

A listing is not a treatment endorsement. Read each clinic's published checks and talk to your clinician before starting any treatment.

Important: This quiz is an educational screening tool, not a diagnosis of inflammation, autoimmune disease or any condition, and not a recommendation for any treatment. The same symptoms arise from thyroid disease, iron deficiency, depression, sleep apnea and medication effects. Please discuss your result and any blood tests with a clinician. If your symptoms are severe or sudden, seek urgent medical care.