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Home › Biomarker Database
Research · Biomarker Database

Explore 10,000+ laboratory markers, in plain English.

All Biomarkers Categories 315 Conditions 448 Labs 193
Popular Vitamin D Ferritin TSH HbA1c LDL Cholesterol Testosterone CRP Homocysteine
Citrobacter species
Part of Complete Microbiome Mapping (NutriPATH), NutriPATH

Opportunistic Enterobacteriaceae

Optimal range 0 – 5 x10^4 CFU/g Learn more
Citrobacter species
Part of The GI – Advanced Profile (US BioTek), US BioTek

Opportunistic gut bacteria

Optimal range 0 – 5 x10^4 CFU/g Learn more
Citrobacter spp.
Part of GI-MAP, Diagnostic Solutions Laboratory | GI-MAP & Food Sensitivity Tests

Gram-negative bacteria in the Proteobacteria phylum.

Optimal range 0 – 5000000 Units Learn more
Citrobacter spp.
Part of Comprehensive Gut Biome & Health Test (Verisana), Verisana Lab
Learn more
Citrullinated EBV
Part of Array 12 – Pathogen-Associated Immune Reactivity Screen, Cyrex Laboratories

or herpes type IV

Optimal range 0.3 – 1.1 ELISA Index Learn more
Citrulline
Part of Amino Acids 40 Profile, Genova Diagnostics

An amino acid

Optimal range 18 – 57 µmol/L Learn more
Citrulline
Part of Amino Acids test [Great Plains Laboratory / Doctor's Data], Doctor's Data
Optimal range 1 – 26 qM/g creatinine Learn more
Citrulline
Part of Amino Acid Profile, Qn (Plasma), Labcorp

An amino acid

Optimal range 15.6 – 46.9 umol/L Learn more
Citrulline
Part of 3000 NutrEval FMV - Urine and Blood, Genova Diagnostics

an intermediate, nonprotein-forming amino acid in the urea cycle

Optimal range 1.6 – 5.7 Units Learn more
Citrulline
Part of 3200 Metabolomix+ - FMV Urine, Genova Diagnostics

Urea Cycle Markers

Optimal range 0.7 – 3.4 mmol/g creatinine Learn more
Citrulline
Part of Amino Acid Analysis, Quest Diagnostics

Urea Cycle Markers

Optimal range 16 – 51 umol/L Learn more
Citrulline
Part of Amino Acid Profile, Qn (Urine), Labcorp

an intermediate, nonprotein-forming amino acid in the urea cycle

Optimal range 1 – 27.4 umol/g Cr Learn more
Citrulline
Part of 3102 ION (Blood/Urine) Amino Acids 40, Genova Diagnostics

Urea Cycle Markers

Optimal range 1.6 – 5.7 qmol/dL Learn more
Citrulline
Part of Male Comprehensive Metabolic Performance Profile (Urine) Physicians Lab, Physicians Lab

Urea Cycle Markers

Optimal range 220.1 – 595.3 ng/mg CR Learn more
CITRULLINE
Urine
Part of Amino Acid Analysis, LC/MS, Quest Diagnostics

an intermediate, nonprotein-forming amino acid in the urea cycle

Optimal range 0 – 2 mmol/mol creatinine Learn more
Citrulline
Part of OMX Organic Metabolomics / Diagnostic Solutions, Diagnostic Solutions Laboratory | GI-MAP & Food Sensitivity Tests

Argininosuccinate synthase

Optimal range 0 – 12.6 nmol/mg Creatinine Learn more
Citrulline
Urine
Part of Amino Acids; Urine 24-hour (Doctor's Data), Doctor's Data
Optimal range 1 – 40 qmol/24 hours Learn more
Citrulline
Blood
Part of NutriStat Basic Profile, US BioTek

Urea Cycle Markers

Optimal range 19.3 – 57.1 umol/L Learn more
Citrulline
Urine
Part of Neurotransmitter XL, getTested
Optimal range 0 – 4 µmol/g Crea Learn more
Citrulline (Plasma)
Part of OMX Organic Metabolomics / Diagnostic Solutions, Diagnostic Solutions Laboratory | GI-MAP & Food Sensitivity Tests
Optimal range 13.8 – 59.7 nmol/ML Learn more
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