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Test Code MISCLM Arsenic Fractionation, Random, Urine

Additional Codes

MAYO Test ID
ASFRU
EPIC Test ID
LAB2608

 

Reporting Name

Arsenic Fractionation, Random, U

Useful For

Diagnosis of arsenic intoxication in random urine specimens

Method Name

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

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Urine


Specimen Required


Patient Preparation:

1. Patient should not eat seafood for a 48-hour period prior to start of collection.

2. High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.

Supplies: Urine Tubes, 10 mL (T068); Aliquot Tube, 5 mL (T465)

Collection Container/Tube: Clean, plastic urine collection container

Submission Container/Tube: Plastic, 5-mL tube (T465) or a clean, plastic aliquot container with no metal cap or glued insert

Specimen Volume: 5 mL

Collection Instructions:

1. Collect a random urine specimen.

2. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.


Specimen Minimum Volume

3 mL

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  72 hours

Reject Due To

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

NA

Reference Values

TOTAL ARSENIC

<20 mcg/L

 

INORGANIC ARSENIC

<20 mcg/ L

 

Reference values apply to all ages.

Day(s) and Time(s) Performed

Monday through Friday; 8 a.m.

CPT Code Information

82175

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ASFRU Arsenic Fractionation, Random, U 54454-4

 

Result ID Test Result Name Result LOINC Value
32311 Inorganic Arsenic (Toxic) 12481-8
32312 Organic Arsenic (Non-Toxic) 53778-7
113134 Total Arsenic 5586-3

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Analytic Time

2 days