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Cobalt, urine-994

Test info

Test name:

Cobalt, urine

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Co
Co, urine

Tests included:

Cobalt, urine
Creatinine, urine
Cobalt:creatinine ratio

Useful for:

Monitor industrial exposure to cobalt

Specimen

Specimen type:

Urine, random

Collection container:

Screw cap plastic container (non sterile)

Volume:

5 mL

Minimum volume:

1.5 mL

Collection instructions:

Sampling time is end of shift at end of work week. Metals with timing "end of shift at end of work week" (meaning four or five consecutive working days with exposure) are eliminated with half-lives longer than five hours. Such metals accumulate in the body during the work week; therefore, their timing is critical in relation to previous exposures.

Transport container:

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

Alternate specimen type:

Urine, 24 hr

Alternate collection container:

24 hr urine collection container, no additive

Alternate collection instructions:

How to collect a 24 hr urine sample

Alternate processing instructions:

Measure total volume
Mix specimen well
Transfer a 5mL aliquot to a Transfer vial/tube with cap - 12mL (LabCorp)

Transport and stability:

Ambient (preferred) - 14 days

Refrigerated - 14 days

Frozen - 14 days

Freeze/thaw cycles - stable x3

Reason for rejection:

Visibly bloody specimen

Performance

Performing lab:

LabCorp Burlington (071514): R-NX

Days set up:

Mo - Fr

TAT:

5 days

Method:

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

Clinical and Interpretive info

Reference ranges:

Environmental exposure:

1.0 − 2.0 μg/L

< 2.0 μg/g creatinine

Occupational exposure:

BEI® (sampling time is end of shift at end of work week): 15.0 μg/L

Billing

CPT codes:

82570
83018

LOINC code:

Result 5628-3

Tracking

Date created:

05/31/2019

Revised date:

04/07/2022

Review date:

03/30/2022