Children's Mercy Kansas City
Glycine Level

CMH Lab Section
Biochemical Genetics

Clinical Description
Glycine is elevated in nonketotic hyperglycinemia and certain organic acidurias

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

Testing is completed daily Monday-Friday
Reports with interpretations are 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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