Cortisol, Free, 24 Hour, Urine
Cytochrome P450 1B1 (CYP1B1) Genotyping
SH3 and cysteine-rich domain-containing protein 3 (STAC3) Gene Mutation Analysis
Zolpidem, Urine
Epidermal Growth Factor Receptor (EGFR) Gene Mutation Analysis
von Willebrand Factor Antigen
Phenobarbital, Confirmation, Urine
Acid-Fast Bacillus (AFB) Stain, Reflex to Culture, Sputum
Candida albicans, Antigen
Red Blood Cell Antigen Genotyping (Immucor PreciseType, BLOODchip® ID CORE XT™)

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Diseases
Overview
Clinical Utility
Interpretation
Reference Ranges
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Specimen Collection
Additional Testing
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All
Diseases
Overview
Clinical Utility
Interpretation
Reference Ranges
Methodology
Specimen Collection
Additional Testing
Turnaround Time
CPT
LOINC
ICD10
Additional ICD10
References

von Willebrand Factor Activity (Ristocetin Cofactor)
Medical Test

Access to von Willebrand Factor Activity (Ristocetin Cofactor) is restricted.