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HelpTest Code LAB2430 Glycine, CSF
Clinical System Name
Glycine Quant, CSF
Synonyms
Glycine, CSF
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
CPT Codes
82131
Methodology
Method: Ion exchange chromatography with post column derivatization
Analytical Volume: 0.1 mL
Limitations:
Description
Quantitation of glycine by ion exchange chromatography with post column derivatization
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