Postmortem, Fire Death Screen, Blood (Forensic) Test (8104B)

Postmortem, Fire Death Screen, Blood (Forensic) Test (8104B)

Analysis Code 8104B 
Test Name Postmortem, Fire Death Screen, Blood (Forensic) 
Test Includes Amphetamines; Barbiturates; Benzodiazepines; Cannabinoids; Carboxyhemoglobin; Cocaine / Metabolites; Cyanide; Methadone / Metabolite; Methamphetamine / MDMA; Methemoglobin; Opiates; Oxycodone / Oxymorphone; Phencyclidine; Sulfhemoglobin; Volatiles 
Compound Synonym(s) Angel Dust; CN; COHb; Dolophine®; Hydrogen Cyanide; Methadose®; PCP; Potassium Cyanide; Sherm 
Purpose Forensic Analysis; Exclusion Screen; This test is New York State approved. 
Category Hypnotic, Sedative, Stimulant, Stimulant, Anorexogenic, Anxiolytic, Sedative, Narcotic Analgesic, Hallucinogen, Environmental/Occupation Toxin, Biological Marker (Exposure) 
Method(s) Enzyme-Linked Immunosorbent Assay (ELISA)
Headspace Gas Chromatography (GC)
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), Lavender top tube (EDTA) 
Special Handling 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 None 
Day(s) Test Set-up / TAT [SP] Monday Wednesday Friday / 1 day
[ELISA] Monday-Saturday 2nd Shift / 1 day
[SP] Tuesday Thursday / 1 day
[LC-MS/MS] Tuesday / 3 days
[Headspace GC] Tuesday Thursday Sunday / 3 days 
Suggested CPT Code 84600
83050, 83060
80307x3 
**Minimum Volume 4.8 mL 
Reflex Testing
(when required, addl' fee may apply)
5636B - Cyanide Confirmation, Blood
5637B - Cocaine and Metabolites Confirmation, Blood
5641B - Benzodiazepines Confirmation, Blood
5645B - Opiates - Free (Unconjugated) Confirmation, Blood
5646B - Cannabinoids Confirmation, Blood
5651B - Barbiturates Confirmation, Blood
5654B - Carbon Monoxide Exposure Biouptake Confirmation, Blood
5657B - Phencyclidine Confirmation, Blood
5682B - Methadone and Metabolite Confirmation, Blood
5684B - Amphetamines Confirmation, Blood 
Test Summary Sheet Generate  

You are viewing Postmortem, Fire Death Screen, Blood (Forensic) Test (8104B)
*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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