Biomarker Explorer

Infection-Associated Chronic Conditions & Post-Viral Syndromes

Long COVIDME/CFSLymeMCASPOTSAutoimmune

Showing 91 of 91 biomarkers

C-Reactive Protein (CRP)

Inflammatory · mg/L

Range

0–3 mg/L

ESR (Sed Rate)

Inflammatory · mm/hr

Range

0–20 mm/hr

Interleukin-6 (IL-6)

Inflammatory · pg/mL

Range

0–5 pg/mL

TNF-alpha

Inflammatory · pg/mL

Range

0–8.1 pg/mL

Interleukin-1β (IL-1β)

Inflammatory, Mast Cell · pg/mL

Range

0–5 pg/mL

Interferon-gamma (IFN-γ)

Inflammatory · pg/mL

Range

0–15 pg/mL

TGF-β1

Inflammatory · pg/mL

Range

0–2500 pg/mL

MCP-1 (CCL2)

Inflammatory · pg/mL

Range

0–300 pg/mL

sCD14

Inflammatory · ng/mL

Range

1000–3000 ng/mL

Neopterin

Inflammatory · nmol/L

Range

0–10 nmol/L

EBV VCA IgG

Viral Reactivation · U/mL

Range

0–20 U/mL

EBV Early Antigen-D (EA-D) IgG

Viral Reactivation · U/mL

Range

0–9 U/mL

HHV-6 IgG by IFA

Viral Reactivation · titer

Range

0–160 titer

CMV IgG & IgM

Viral Reactivation · U/mL

Range

0–6 U/mL

VZV IgG & IgM Panel

Viral Reactivation · index

Range

0–1.1 index

Parvovirus B19 IgG & IgM

Viral Reactivation · Index Value

Range

0–1.1 Index Value

Enterovirus Antibodies

Viral Reactivation · titer

Range

0–160 titer

SARS-CoV-2 Nucleocapsid IgG

Viral Reactivation · index

Range

0–1 index

Natural Killer Cell Count

Immune Function · cells/μL

Range

90–600 cells/μL

NK Cell Function

Immune Function · %

Range

20–60 %

CD4+ T Cells

Immune Function · cells/μL

Range

500–1500 cells/μL

CD8+ T Cells

Immune Function · cells/μL

Range

200–900 cells/μL

CD4/CD8 Ratio

Immune Function · ratio

Range

1–3.5 ratio

T Cell Exhaustion (PD-1+)

Immune Function · %

Range

0–30 %

Total IgG

Immune Function · mg/dL

Range

700–1600 mg/dL

IgG Subclasses

Immune Function · mg/dL

Range

0–1000 mg/dL

IgA

Immune Function · mg/dL

Range

70–400 mg/dL

Complement C3/C4

Immune Function, Autoimmunity · mg/dL

Range

90–180 mg/dL

ANA

Autoimmunity · titer

Range

0–40 titer

Anti-Cardiolipin IgG/IgM

Autoimmunity · GPL/MPL

Range

0–20 GPL/MPL

Anti-β2 Glycoprotein I

Autoimmunity · U/mL

Range

0–20 U/mL

Lupus Anticoagulant

Autoimmunity · ratio

Range

0–1.2 ratio

Anti-Ganglioside Ab

Autoimmunity · titer

Range

0–100 titer

Anti-GPCR Ab

Autoimmunity, Autonomic · U/mL

Range

0–20 U/mL

Anti-Adrenergic Receptor Ab

Autoimmunity, Autonomic · U/mL

Range

0–15 U/mL

Anti-Muscarinic Receptor Ab

Autoimmunity, Autonomic · U/mL

Range

0–15 U/mL

Anti-SSA/Ro & SSB/La

Autoimmunity · U

Range

0–20 U

Anti-Neuronal Ab Panel

Autoimmunity · titer

Range

0–1 titer

TPO Antibodies

Autoimmunity · IU/mL

Range

0–35 IU/mL

D-Dimer

Coagulation · ng/mL

Range

0–500 ng/mL

Fibrinogen

Coagulation · mg/dL

Range

200–400 mg/dL

Von Willebrand Factor

Coagulation · %

Range

50–150 %

Factor VIII

Coagulation · %

Range

50–150 %

Plasminogen

Coagulation · %

Range

80–120 %

PAI-1

Coagulation · ng/mL

Range

2–47 ng/mL

Thrombin-Antithrombin

Coagulation · μg/L

Range

1–4.1 μg/L

Soluble P-Selectin

Coagulation · ng/mL

Range

18–45 ng/mL

Lactate (Resting)

Mitochondrial · mmol/L

Range

0.5–2.2 mmol/L

Pyruvate

Mitochondrial · mg/dL

Range

0.3–0.9 mg/dL

CoQ10

Mitochondrial · μg/mL

Range

0.5–1.5 μg/mL

Carnitine (Free)

Mitochondrial · μmol/L

Range

25–50 μmol/L

Acylcarnitine Profile

Mitochondrial · various

Range

0–100 various

ATP Production

Mitochondrial · nmol

Range

1.5–3.5 nmol

Organic Acids (Urine)

Mitochondrial · panel

Range

0–100 panel

Tryptase

Mast Cell · ng/mL

Range

0–11.4 ng/mL

Histamine (Plasma)

Mast Cell · ng/mL

Range

0–1 ng/mL

N-Methylhistamine (Urine)

Mast Cell · μg/g Cr

Range

30–200 μg/g Cr

Prostaglandin D2 (Urine)

Mast Cell · ng/mg Cr

Range

100–280 ng/mg Cr

Leukotriene E4 (Urine)

Mast Cell · pg/mg Cr

Range

0–104 pg/mg Cr

Catecholamines (Supine)

Autonomic · pg/mL

Range

70–750 pg/mL

Catecholamines (Standing)

Autonomic · pg/mL

Range

200–1700 pg/mL

Renin/Aldosterone

Autonomic · various

Range

0–20 various

BNP

Autonomic · pg/mL

Range

0–100 pg/mL

Troponin

Autonomic · ng/mL

Range

0–0.04 ng/mL

Lyme Western Blot IgG/IgM

Tick-Borne · bands

Range

0–10 bands

Borrelia PCR

Tick-Borne · pos/neg

Range

0–1 pos/neg

Babesia IgG/IgM

Tick-Borne · titer

Range

0–64 titer

Bartonella IgG/IgM

Tick-Borne · titer

Range

0–64 titer

Anaplasma/Ehrlichia

Tick-Borne · titer

Range

0–64 titer

TSH

Thyroid · mIU/L

Range

0.4–4 mIU/L

Free T4

Thyroid · ng/dL

Range

0.8–1.8 ng/dL

Free T3

Thyroid · pg/mL

Range

2.3–4.2 pg/mL

Reverse T3

Thyroid · ng/dL

Range

9–27 ng/dL

Glutathione (RBC)

Oxidative Stress · μmol/L

Range

200–400 μmol/L

F2-Isoprostanes

Oxidative Stress · pg/mg Cr

Range

0–2000 pg/mg Cr

8-OHdG (Urine)

Oxidative Stress · ng/mg Cr

Range

0–20 ng/mg Cr

Superoxide Dismutase (SOD)

Oxidative Stress · U/mL

Range

0.9–3.8 U/mL

Malondialdehyde (MDA) / TBARS

Oxidative Stress · μmol/L

Range

0–4 μmol/L

Catalase (CAT)

Oxidative Stress · kU/L

Range

10–50 kU/L

Total Antioxidant Capacity (TAC)

Oxidative Stress · mmol/L

Range

1–2.5 mmol/L

Vitamin D (25-OH)

Nutrients · ng/mL

Range

30–100 ng/mL

Vitamin B12

Nutrients · pg/mL

Range

200–900 pg/mL

Methylmalonic Acid

Nutrients · nmol/L

Range

0–270 nmol/L

Homocysteine

Nutrients · μmol/L

Range

5–15 μmol/L

Ferritin

Nutrients · ng/mL

Range

12–150 ng/mL

Zinc (RBC)

Nutrients · μg/dL

Range

9–14 μg/dL

Magnesium (RBC)

Nutrients, Autonomic · mg/dL

Range

4.2–6.8 mg/dL

Selenium

Nutrients · μg/L

Range

70–150 μg/L

EBV EBNA IgG

Viral Reactivation · U/mL

Range

0–20 U/mL

HHV-6 IgM by IFA

Viral Reactivation · titer

Range

0–10 titer

HHV-6 Quantitative PCR (Whole Blood)

Viral Reactivation · copies/mL

Range

0–200 copies/mL

Medical Disclaimer

This tool is for educational purposes only and does not constitute medical advice. Reference ranges vary between laboratories and populations. Always consult a qualified healthcare provider for interpretation of your results.

About This Resource

This database covers biomarkers relevant to infection-associated chronic conditions including Long COVID, ME/CFS, Lyme disease, MCAS, POTS, and related disorders. Optimal ranges reflect emerging research in these conditions and may differ from standard laboratory reference ranges.

Biomarker Explorer

Infection-Associated Chronic Conditions & Post-Viral Syndromes

Long COVIDME/CFSLymeMCASPOTSAutoimmune

Showing 91 of 91 biomarkers

C-Reactive Protein (CRP)

Inflammatory · mg/L

Range

0–3 mg/L

ESR (Sed Rate)

Inflammatory · mm/hr

Range

0–20 mm/hr

Interleukin-6 (IL-6)

Inflammatory · pg/mL

Range

0–5 pg/mL

TNF-alpha

Inflammatory · pg/mL

Range

0–8.1 pg/mL

Interleukin-1β (IL-1β)

Inflammatory, Mast Cell · pg/mL

Range

0–5 pg/mL

Interferon-gamma (IFN-γ)

Inflammatory · pg/mL

Range

0–15 pg/mL

TGF-β1

Inflammatory · pg/mL

Range

0–2500 pg/mL

MCP-1 (CCL2)

Inflammatory · pg/mL

Range

0–300 pg/mL

sCD14

Inflammatory · ng/mL

Range

1000–3000 ng/mL

Neopterin

Inflammatory · nmol/L

Range

0–10 nmol/L

EBV VCA IgG

Viral Reactivation · U/mL

Range

0–20 U/mL

EBV Early Antigen-D (EA-D) IgG

Viral Reactivation · U/mL

Range

0–9 U/mL

HHV-6 IgG by IFA

Viral Reactivation · titer

Range

0–160 titer

CMV IgG & IgM

Viral Reactivation · U/mL

Range

0–6 U/mL

VZV IgG & IgM Panel

Viral Reactivation · index

Range

0–1.1 index

Parvovirus B19 IgG & IgM

Viral Reactivation · Index Value

Range

0–1.1 Index Value

Enterovirus Antibodies

Viral Reactivation · titer

Range

0–160 titer

SARS-CoV-2 Nucleocapsid IgG

Viral Reactivation · index

Range

0–1 index

Natural Killer Cell Count

Immune Function · cells/μL

Range

90–600 cells/μL

NK Cell Function

Immune Function · %

Range

20–60 %

CD4+ T Cells

Immune Function · cells/μL

Range

500–1500 cells/μL

CD8+ T Cells

Immune Function · cells/μL

Range

200–900 cells/μL

CD4/CD8 Ratio

Immune Function · ratio

Range

1–3.5 ratio

T Cell Exhaustion (PD-1+)

Immune Function · %

Range

0–30 %

Total IgG

Immune Function · mg/dL

Range

700–1600 mg/dL

IgG Subclasses

Immune Function · mg/dL

Range

0–1000 mg/dL

IgA

Immune Function · mg/dL

Range

70–400 mg/dL

Complement C3/C4

Immune Function, Autoimmunity · mg/dL

Range

90–180 mg/dL

ANA

Autoimmunity · titer

Range

0–40 titer

Anti-Cardiolipin IgG/IgM

Autoimmunity · GPL/MPL

Range

0–20 GPL/MPL

Anti-β2 Glycoprotein I

Autoimmunity · U/mL

Range

0–20 U/mL

Lupus Anticoagulant

Autoimmunity · ratio

Range

0–1.2 ratio

Anti-Ganglioside Ab

Autoimmunity · titer

Range

0–100 titer

Anti-GPCR Ab

Autoimmunity, Autonomic · U/mL

Range

0–20 U/mL

Anti-Adrenergic Receptor Ab

Autoimmunity, Autonomic · U/mL

Range

0–15 U/mL

Anti-Muscarinic Receptor Ab

Autoimmunity, Autonomic · U/mL

Range

0–15 U/mL

Anti-SSA/Ro & SSB/La

Autoimmunity · U

Range

0–20 U

Anti-Neuronal Ab Panel

Autoimmunity · titer

Range

0–1 titer

TPO Antibodies

Autoimmunity · IU/mL

Range

0–35 IU/mL

D-Dimer

Coagulation · ng/mL

Range

0–500 ng/mL

Fibrinogen

Coagulation · mg/dL

Range

200–400 mg/dL

Von Willebrand Factor

Coagulation · %

Range

50–150 %

Factor VIII

Coagulation · %

Range

50–150 %

Plasminogen

Coagulation · %

Range

80–120 %

PAI-1

Coagulation · ng/mL

Range

2–47 ng/mL

Thrombin-Antithrombin

Coagulation · μg/L

Range

1–4.1 μg/L

Soluble P-Selectin

Coagulation · ng/mL

Range

18–45 ng/mL

Lactate (Resting)

Mitochondrial · mmol/L

Range

0.5–2.2 mmol/L

Pyruvate

Mitochondrial · mg/dL

Range

0.3–0.9 mg/dL

CoQ10

Mitochondrial · μg/mL

Range

0.5–1.5 μg/mL

Carnitine (Free)

Mitochondrial · μmol/L

Range

25–50 μmol/L

Acylcarnitine Profile

Mitochondrial · various

Range

0–100 various

ATP Production

Mitochondrial · nmol

Range

1.5–3.5 nmol

Organic Acids (Urine)

Mitochondrial · panel

Range

0–100 panel

Tryptase

Mast Cell · ng/mL

Range

0–11.4 ng/mL

Histamine (Plasma)

Mast Cell · ng/mL

Range

0–1 ng/mL

N-Methylhistamine (Urine)

Mast Cell · μg/g Cr

Range

30–200 μg/g Cr

Prostaglandin D2 (Urine)

Mast Cell · ng/mg Cr

Range

100–280 ng/mg Cr

Leukotriene E4 (Urine)

Mast Cell · pg/mg Cr

Range

0–104 pg/mg Cr

Catecholamines (Supine)

Autonomic · pg/mL

Range

70–750 pg/mL

Catecholamines (Standing)

Autonomic · pg/mL

Range

200–1700 pg/mL

Renin/Aldosterone

Autonomic · various

Range

0–20 various

BNP

Autonomic · pg/mL

Range

0–100 pg/mL

Troponin

Autonomic · ng/mL

Range

0–0.04 ng/mL

Lyme Western Blot IgG/IgM

Tick-Borne · bands

Range

0–10 bands

Borrelia PCR

Tick-Borne · pos/neg

Range

0–1 pos/neg

Babesia IgG/IgM

Tick-Borne · titer

Range

0–64 titer

Bartonella IgG/IgM

Tick-Borne · titer

Range

0–64 titer

Anaplasma/Ehrlichia

Tick-Borne · titer

Range

0–64 titer

TSH

Thyroid · mIU/L

Range

0.4–4 mIU/L

Free T4

Thyroid · ng/dL

Range

0.8–1.8 ng/dL

Free T3

Thyroid · pg/mL

Range

2.3–4.2 pg/mL

Reverse T3

Thyroid · ng/dL

Range

9–27 ng/dL

Glutathione (RBC)

Oxidative Stress · μmol/L

Range

200–400 μmol/L

F2-Isoprostanes

Oxidative Stress · pg/mg Cr

Range

0–2000 pg/mg Cr

8-OHdG (Urine)

Oxidative Stress · ng/mg Cr

Range

0–20 ng/mg Cr

Superoxide Dismutase (SOD)

Oxidative Stress · U/mL

Range

0.9–3.8 U/mL

Malondialdehyde (MDA) / TBARS

Oxidative Stress · μmol/L

Range

0–4 μmol/L

Catalase (CAT)

Oxidative Stress · kU/L

Range

10–50 kU/L

Total Antioxidant Capacity (TAC)

Oxidative Stress · mmol/L

Range

1–2.5 mmol/L

Vitamin D (25-OH)

Nutrients · ng/mL

Range

30–100 ng/mL

Vitamin B12

Nutrients · pg/mL

Range

200–900 pg/mL

Methylmalonic Acid

Nutrients · nmol/L

Range

0–270 nmol/L

Homocysteine

Nutrients · μmol/L

Range

5–15 μmol/L

Ferritin

Nutrients · ng/mL

Range

12–150 ng/mL

Zinc (RBC)

Nutrients · μg/dL

Range

9–14 μg/dL

Magnesium (RBC)

Nutrients, Autonomic · mg/dL

Range

4.2–6.8 mg/dL

Selenium

Nutrients · μg/L

Range

70–150 μg/L

EBV EBNA IgG

Viral Reactivation · U/mL

Range

0–20 U/mL

HHV-6 IgM by IFA

Viral Reactivation · titer

Range

0–10 titer

HHV-6 Quantitative PCR (Whole Blood)

Viral Reactivation · copies/mL

Range

0–200 copies/mL

Medical Disclaimer

About This Resource