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Iodine, 24-hour urine-994

Test info

Test name:

Iodine, 24-hour urine

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Useful for:

Monitor exposure to iodine; evaluate for iodine deficiency disorders (IDDs), excessive iodine intake, or iodine in the workplace

Specimen

Specimen type:

Urine, 24-hr

Collection container:

24-hr urine collection container, no additive

Volume:

5 mL aliquot of a 24-hr collection

Minimum volume:

2 mL aliquot of a 24-hr collection

Collection instructions:

How to collect a 24-hr urine sample

Processing instructions:

Measure and record total urine volume
Mix well
Transfer a 5 mL (minimum 2.0mL) aliquot to a Transfer vial/tube with cap - 12mL (LabCorp)

Transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Required forms/information:

Total volume

Transport and stability:

Ambient (preferred) – 14 days

Refrigerated – 14 days

Frozen – 14 days

Freeze/thaw cycles - stable x 3

Reason for rejection:

Specimens with preservative

Performance

Performing lab:

LabCorp (070222): R-NX

Days set up:

Tu - Fr

TAT:

2 - 5 days

Method:

Inductively-coupled plasma/mass spectrometry (ICP/MS)

Clinical and Interpretive info

Reference ranges:

100.0 – 460.0 µg/24 hour

Billing

CPT codes:

83789

Tracking

Date created:

06/16/2021

Revised date:

12/21/2023

Review date:

12/21/2023