Environmental Exposure Screen, Blood (Forensic) Test (8103B)

Environmental Exposure Screen, Blood (Forensic) Test (8103B)

Analysis Code 8103B 
Test Name Environmental Exposure Screen, Blood (Forensic) 
Test Includes Acetone; Antimony; Arsenic; Bismuth; Blood Alcohol Concentration (BAC); Bromides; Carboxyhemoglobin; Cholinesterase; Cyanide; Ethanol; Halocarbons; Hydrocarbon Gases; Isopropanol; Lead; Mercury; Methanol; Methemoglobin; Selenium; Sulfhemoglobin; Thallium; Trichloroacetic Acid; Volatiles 
Compound Synonym(s) CN; COHb; Ethyl Alcohol; Hydrogen Cyanide; Isopropyl Alcohol; Marsh Gas; Methyl Alcohol; Potassium Cyanide; Rubbing Alcohol; TCA; Trichloroacetate;  
Purpose Exposure Monitoring/Investigation; Overexposure/Poisoning Determination; Forensic Analysis; This test is New York State approved. 
Category Metal/Element, Hypnotic, Sedative, Volatile, Environmental/Occupation Toxin, Biological Marker (Exposure) 
Method(s) Enzymatic Assay (EZA)
Colorimetry (C)
Gas Chromatography (GC)
Gas Chromatography (GC)
Gas Chromatography (GC)
Headspace Gas Chromatography (GC)
Headspace Gas Chromatography (GC)
Inductively Coupled Plasma/Mass
Spectrometry(ICP/MS)
Inductively Coupled Plasma/Mass
Spectrometry(ICP/MS)
Inductively Coupled Plasma/Mass
Spectrometry(ICP/MS)
Inductively Coupled Plasma/Mass
Spectrometry(ICP/MS)
Inductively Coupled Plasma/Mass
Spectrometry(ICP/MS)
Inductively Coupled Plasma/Mass
Spectrometry(ICP/MS)
Inductively Coupled Plasma/Mass
Spectrometry(ICP/MS)
High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS)
Spectrophotometry (SP)
Spectrophotometry (SP) 
Specimen Requirements 10 mL Blood 
Transport Temperature Refrigerated 
Specimen Container Gray top tube (Sodium Fluoride / Potassium Oxalate) AND Royal Blue top tube (Trace metal-free; EDTA) 
Special Handling Clotted Blood specimens are not acceptable.
Avoid seafood consumption for 48 hours prior to sample collection. Submit in container with a non-Heparin based anticoagulant. Tubes containing Heparin based anticoagulants are not acceptable. Studies have shown that cyanide has variable instability in biological specimens and is particularly unstable in some postmortem specimens. The loss of cyanide can be minimized by shipping the sample to the laboratory for analysis as soon as possible, preferably using refrigerated or frozen transportation and preservation using sodium fluoride / potassium oxalate (grey-top tube). Samples should not be refrozen if previously thawed. The potential for increases in cyanide concentrations, although rare, have also been demonstrated and may be due to microbial action. Preservation with sodium fluoride may reduce this possibility. 
Light Protection Required Not Required 
Stability Room Temperature: Undetermined
Refrigerated: Undetermined
Frozen (-20 °C): Undetermined 
*Rejection Criteria Plastic container. Light Green top tube (Lithium Heparin). Tan top tube - glass (Sodium Heparin). Royal Blue top tube (Trace metal-free; Sodium Heparin). Gray top tube (Sodium Fluoride / Potassium Oxalate). Green top tube (Sodium Heparin). Lavender top tube (EDTA). 
Day(s) Test Set-up / TAT [ICP/MS] Monday Wednesday Friday / 2 days
[ICP/MS] Monday Wednesday Friday / 2 days
[ICP/MS] Monday Wednesday Friday / 2 days
[ICP/MS] Monday Wednesday Friday / 2 days
[ICP/MS] Monday-Friday / 2 days
[EZA] Thursday / 2 days
[ICP/MS] Tuesday Thursday / 2 days
[SP] Monday Wednesday / 3 days
[LC-MS/MS] Tuesday / 3 days
[ICP/MS] Tuesday Thursday / 3 days
[Headspace GC] Tuesday Thursday Sunday / 3 days
[GC] Monday / 4 days
[Headspace GC] Monday-Friday / 4 days
[SP] Tuesday Friday / 4 days
[GC] Wednesday / 4 days
[GC] Wednesday / 4 days
[Colorimetry] Wednesday / 7 days 
Suggested CPT Code 82175
82480
84255
83825
83018x3
84600x3
83655
83050, 83060
83921
80307x4 
**Minimum Volume 10 mL 
Reflex Testing
(when required, addl' fee may apply)
53250B - Alcohols and Acetone Confirmation, Blood (Forensic)
5465B - Bromide Confirmation, Blood
5654B - Carbon Monoxide Exposure Biouptake Confirmation, Blood 
Test Summary Sheet Generate  

You are viewing Environmental Exposure Screen, Blood (Forensic) Test (8103B)
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.


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