May be useful for the detection of recent (<24 hours post exposure) and/or large dose arsenic exposures. For acute or chronic exposure, Arsenic, Urine with Reflex to Fractionated (0025000) is preferred.
- Patient Preparation
- Diet, medication, and nutritional supplements may introduce interfering substances. Patient should be encouraged to discontinue nutritional supplements, vitamins, minerals, and non-essential over-the-counter medications (upon the advice of their physician) and avoid shellfish and seafood for 48 to 72 hours.
- Royal blue (K2EDTA or Na2EDTA).
- Specimen Preparation
- Transport 7 mL whole blood in the original collection tube. (Min: 0.5 mL)
- Storage/Transport Temperature
- Room temperature. Also acceptable: Refrigerated.
- Unacceptable Conditions
- Specimens collected in tubes other than Royal Blue (EDTA). Specimens transported in containers other than Royal Blue (EDTA) tube or Trace Element-Free Transport Tube. Heparin anticoagulant. Clotted specimens.
- Trace Elements requisition form may be required (ARUP form #32990).
- Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable
Potentially toxic ranges for blood arsenic: Greater than or equal to 600 µg/L.
Blood arsenic is for the detection of recent exposure poisoning only. Blood arsenic levels in healthy subjects vary considerably with exposure to arsenic in the diet and the environment. A 24-hour urine arsenic is useful for the detection of chronic exposure.
See Compliance Statement B: www.aruplab.com/CS
|Component Test Code*||Component Chart Name||LOINC|
- As (Arsenic, Blood)
- ASB (Arsenic, Blood)