Test Overview
Test Methodology

Liquid-Liquid Extraction / Inductively Coupled Plasma-Mass Spectrometry (ICP/MS)

Test Usage

Diagnosis of arsenic intoxication in 24-hour urine specimens.

Reference Range *

TOTAL ARSENIC: <18 mcg/24 hour, INORGANIC ARSENIC: <20 mcg/24 hour. Reference values apply to all ages.

Test Details
Days Set Up
Monday - Friday
Analytic Time

2 - 5 days

Soft Order Code
SPASU
MiChart Code
Arsenic, Fractionation, Urine
Synonyms
  • ARSENIC FRACTIONATION, URINE
  • AS CONC
  • AS INORG
  • AS ORG
  • CONCENTRATION
  • INORGANIC ARSENIC (TOXIC)
  • ORGANIC ARSENIC (NON-TOXIC)
  • ASFR
Laboratory
Sendout
Reference Laboratory
Mayo SPASU
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect 24 hour urine in a clean, plastic container with no metal cap or glued insert and no preservative. Aliquot urine into a clean, plastic container with no metal cap or glued insert and refrigerate within 4 hours of completion of collection. Record 24 hour urine volume and collection dates/times on the request form. Patient should not eat seafood for a 48 hour period prior to start of collection. Collection must take place prior to or 48 hours after administering gadolinium-containing contrast media.

Contraindications
Do not collect specimens from patients who have received gadolinium within the past 48 hours. Gadolinium, a material contained in some contrast media, is known to interfere with most metals tests.
Normal Volume
10 ml aliquot of 24 hour urine collection
Minimum Volume
3 ml aliquot of 24 hour urine collection
Additional Information

Test sent to Mayo Medical Laboratories.

Billing
CPT Code
82175
Fee Code
32111
NY State Approved
No