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Test Code Glycine, CSF Glycine, CSF

Clinical System Name

Glycine Quant, CSF

Description

Quantitation of glycine by ion exchange chromatography with post column derivatization

 

Sample Requirements

Specimen: Cerebral Spinal Fluid

Container(s): Sterile  Screw-Capped Container/ Tube/Syringe

Preferred Vol:  0.5 mL

Minimum Vol: 0.25 mL

 

 

 

Processing Instructions

Reject due to:

Spin:Y

Aliquot:Y

Temp:-20 C

Storage location: -20 C BCG  Box

 

Off-site collection: Spin, freeze and ship frozen.

Stability

Temperature Time
Room temp ≤ 24 hr
Refrigerated </=24 hrs
Frozen 1 month

 

Availability

STAT Performed TAT
N M-F 3 days

Contact the Biochemical Genetics Lab for requests outside of stated availability (206)987-2216.

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Biochemical Genetics

Phone Number: 206-987-2216

 

 

Methodology

Method: Ion exchange chromatography with post column derivatization

Analytical Volume: 0.1 mL

Limitations:

CPT Codes

82131

Requisition

Biochemical Genetics Requisition

 

On the requisition include clinical information needed for appropriate interpretation.  (Age, gender, diet (e.g. TPN therapy), drug therapy and family history)

Reference Ranges

  CSF (All Ages)
CSF Glycine (mcmol/L)

< 11

Order paired CSF and plasma glycine (Gly CSF Pla) to rule out non-ketotic hyperglycinemia