24 Hour Urine, Arsenic Speciation

Synonyms

  • ARSENIC SPECIATION, 24 HR, U
  • LAB11271

Cerner Name

Arsenic Speciation, 24 Hr, U

Clinical Info

Diagnosis of arsenic intoxication using 24 hour urine specimens.
Total arsenic will be performed first. If the total arsenic concentration is 10 mcg/L or greater, then speciation will be performed and reported. If total arsenic is below 10 mcg/L, total arsenic will be reported as less than 10 mcg/L and speciation will not be performed.

Specimen Sources

Urine, Catheter Urine, Clean Catch Urine, Foley Urine, Nephrostomy Urine, Suprapubic

Specimen Types

Urine

Specimen Volume

10 mL urine from 24 Hr collection. Please indicate total volume.

Container

24hr Ur Acid Washed

Collection Instructions

Container/Tube: 24 Hour urine Container
Specimen: 10 mL urine from 24 Hr collection. Please indicate total volume.
Transport Temperature: Refrigerate ( Refrigerate specimen within 4 hours of completion of 24-hour collection)
Stability: 72 Hours Room Temperature
28 Days Refrigerated or Frozen
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 at least 96 hours.

Transport Instructions

Refrigerate ( Refrigerate specimen within 4 hours of completion of 24-hour collection)

Specimen Stability

72 Hours Room Temperature
28 Days Refrigerated or Frozen
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

Methodology

Ion Chromatography Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)

Days Performed

Performing Laboratories

Mayo Medical Laboratories

CPT

82175
LOINC Code: 96253-0

PDM

2159533

Results

Component Name Base Name Common Name External Name
INORGANIC ARSENIC (TOXIC) ARS INORGANIC ARS Inorganic Arsenic (Toxic)
METHYLATED ARS METHYLA METHYLATED ARS Methylated Arsenic (Toxic)
ORGANIC ARS (NON-TOXIC) ORGANARS ORGANIC ARS NON TOXIC Organic Arsenic (Non-Toxic)
TOXIC ARS CON TOXICARS TOXIC ARS CON Toxic Arsenic Concentration
TOTAL ARS CON TOTALARS TOTAL ARS CON Total Arsenic Concentration

Result Interpretation

TOXIC ARSENIC < 35 mcg/L

Forms

Tox/TDM LAB11271 build edit