Standard Tests

Saliva, blood spot and dried urine are used for the minimally-invasive hormone testing that is the hallmark of ZRT Laboratory.  The simplicity of sample collection and stability of samples in storage and transport have made these ideal for clinical use as well as research.  See the table below for a full list of our current test offerings.

Test CPT Code Assay Type Blood Spot Saliva Dried Urine
Estradiol (E2) 82670 EIA  
Progesterone (Pg) 84144 EIA  
Testosterone (T), free 84402 LIA    
Testosterone (T), total 84403 EIA    
DHEA-S 82627 EIA  
Estriol (E3) 82677 EIA    
Estrone (E1) 82679 EIA    
Cortisol (C), free 82530 EIA    
Cortisol (C), total 82533 EIA    
SHBG 84270 EIA    
Prostate Specific Antigen (PSA) 84153 EIA    
Free Thyroxine (fT4) 84439 EIA    
Free Triiodothyronine (fT3) 84481 EIA    
Thyroid Stimulating Hormone (TSH) 84443 EIA    
Thyroid Peroxidase Antibodies (TPO) 86376 EIA    
Thyroxine (T4), total 84436 FIA    
Thyroglobulin 84432 EIA    
IGF-1 (Somatomedin C) 84305 EIA    
Luteinizing Hormone (LH) 83002 EIA    
Follicle-Stimulating Hormone (FSH) 83001 EIA    
Insulin (Ins), fasting 83525 EIA    
Cholesterol (CH), total 82465 Enzymatic     
HDL Cholesterol (HDL) 83718 Enzymatic     
High-Sensitivity C-Reactive Protein (hsCRP) 86141 EIA    
Hemoglobin A1c (HbA1c) 83036 ITA    
Triglycerides (TG) 84478 Enzymatic    
Vitamin D, Total 82306 LCMS     
25-OH Vitamin D2   LCMS     
25-OH Vitamin D3   LCMS     
Iodine (I) 84311  ICPMS    
Bromine (Br) 83789  ICPMS    
Arsenic (As) 82175 ICPMS    
Selenium (Se) 84255 ICPMS    
Mercury (Hg) 83825 DMA    
Creatinine (Cr) 82570 Colorimetric    

EIA = Enzyme Immunoassay
FIA = Time-Resolved Fluorescence assay
ICPMS = Inductively Coupled Plasma Mass Spectrometry
ITA = Immunoturbidimetric assay
LCMS = Liquid chromatography/tandem mass spectrometry (LC-MS/MS)
LIA = Luminescence immunoassay
DMA = Direct Mercury assay

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