Days Set Up
Monday - Friday
Analytic Time

2 - 5 days

MiChart Code
Arsenic, Fractionation, Urine
Soft Order Code
MASFR

Test Updated:

Synonyms

ARSENIC FRACTIONATION, URINE
AS CONC
AS INORG
AS ORG
CONCENTRATION
INORGANIC ARSENIC (TOXIC)
ORGANIC ARSENIC (NON-TOXIC)
ASFR

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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.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

10 mL from a 24-hour urine collection. No preservative. Collect in clean, plastic urine container with no metal cap or glued insert. 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.

Collection Offsite

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.

24-hour Urine Jug
Normal Volume
10 ml aliquot of 24 hour urine collection
Minimum Volume
3 ml aliquot of 24 hour urine collection

Billing Information

CPT Code
82175
Pro Fee Code
 
LOINC
 

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.