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Labcorp Oklahoma, Inc.
Test Directory


Index:

Selenium Level Urine

Order Name SELENIUM U
Test Number: 3658675
Revision Date 10/16/2024
Test Name Methodology LOINC Code
Creatinine Screen
Immunoassay (IA) 2161-8 
Selenium Level Urine
Inductively-Coupled Plasma/Mass Spectrometry 5726-5 
Selenium/Creatinine
Calculation 13467-6 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 3 mL (1.3 mL) Urine, Random Acid Washed, Trace Element Free Contatiner Refrigerated
Instructions Specimen: 3mL(1.3mL) Random Urine in acid washed trace emelent free container
Collection: Unpreserved urine should be refrigerated immediately and analyzed within 1 week of collection. Acceptable preservatives include: Trace Metal Free Hydrochloric Acid or Nitric Acid (0.1 mL of 12M acid/10 mL urine).
Stability Requirements: Room temperature n/a, Refrigerated 30 Days, Frozen 12 Months
Cause for Rejection: Received Room Temperature
Testing referred to National Medical Services NMSPA#4180U
GENERAL INFORMATION
Expected TAT 8 days (If Positive: 13 days) from set up  
Performing Labcorp Test Code 833870 
Notes
Order Code Reflex Name Result Code Result Name
4000073 .Rflex Specific Gravity 4000073 Specific Gravity Screen
    1001500 Specific Gravity Urine
CPT Code(s) 84255
Lab Section Reference Lab