Gadolinium; urine

CPT Code

83018

Specimen Requirements

30 mL urine

Collection Container/Tube

Collect urine in supplied pastic specimen collection cup. Timed urine collections are poured into a larger container (size of container varies based on collection period).

Transport Container/Tube

50 mL trace metal free plastic tube

Minimum Specimen Volume

6 mL

Rejection Criteria

Sample received in metal container
Creatinine level < 5 mg/dL (urine too dilute)

Stability Information

Room temperature: 30 days
Refrigerated: 30 days
Frozen: 30 days
37°C/99°F: 4 days

Methodology

ICP-MS

Turnaround Time

2 - 4 days

Reference Intervals

Sex	Age
Both	0-3 years	<.2 mcg/24H
Both	4-12 years	<.3 mcg/24H
Both	13-16 years	<.3 mcg/24H
Female	≥17 years	<.6 mcg/24H
Male	≥17 years	<1 mcg/24H
Both	0-3 years	<.5 mcg/g creatinine
Both	4-12 years	<.4 mcg/g creatinine
Both	13-16 years	<.3 mcg/g creatinine
Female	≥17 years	<.8 mcg/g creatinine
Male	≥17 years	<.5 mcg/g creatinine