Children's Mercy Kansas City
Glutamine Level

CMH Lab Section
Biochemical Genetics

Clinical Description
Elevated in patients with hyperammonemias

Specimen Requirements
2 mL blood in mint green or red with gel

Testing completed daily Monday-Friday
Reports released Fridays

Turn Around Time
3-10 days
Specimens must be received in the lab by 1400 Thursday afternoon to be reported on Friday

Special Instructions
Fasting Collection
Except for emergent or critically ill children, the patient must be fasting as follows:
ages 0-6 months: 3 hours
ages 7-24 months: 6 hours
ages > 24 months: 8-12 hours

Ion Exchange Chromatography

See interpretative report

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