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Acylglycines, Quantitative, Urine
0081170
Ordering Recommendation

Diagnose and monitor for fatty acid oxidation disorders and organic acidemias. Use in conjunction with urine organic acids and plasma acylcarnitines testing.

Mnemonic
ACYLGLY
Methodology
Liquid Chromatography-Tandem Mass Spectrometry
Performed
Wed
Reported
2-13 days
New York DOH Approval Status
This test is New York DOH approved.
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Random urine. 
Specimen Preparation
Transfer 6 mL urine to ARUP Standard Transport Tubes and freeze immediately. (Min: 3 mL) Avoid dilute urine when possible. 
Storage/Transport Temperature
Frozen. 
Unacceptable Conditions
 
Remarks
Clinical information is needed for appropriate interpretation. Additional required information includes age, gender, diet (e.g., TPN therapy), drug therapy, and family history. Biochemical Genetics Patient History Form is available on the ARUP Web site at http://www.aruplab.com/patienthistory or by contacting ARUP Client Services. 
Stability
Ambient: Unacceptable; Refrigerated: 24 hours; Frozen: 2 weeks 
Reference Interval
Reports include age appropriate reference interval.
Test Number
Components
Reference Interval
 PropionyglycineBy report
 IsobutyrylglycineBy report
 ButyrylglycineBy report
 2-MethylbutyrylglycineBy report
 IsovalerylglycineBy report
 3-MethylcrotonylglycineBy report
 TiglylglycineBy report
 HexanoylglycineBy report
 PhenylpropionylglycineBy report
 SuberylglycineBy report

Interpretive Data


Compliance Statement B: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

Note
CPT Code(s)
82542
Components
Component Test Code*Component Chart NameLOINC
0020533Creatinine, Urine2161-8
0081171Acylglycines, Urine Interpretation53718-3
0081172Propionyglycine24442-6
0081173Isobutyrylglycine24439-2
0081174Butyrylglycine24437-6
00811752-Methylbutyrylglycine24435-0
0081176Isovalerylglycine24440-0
00811773-Methylcrotonylglycine24436-8
0081178Tiglylglycine24444-2
0081179Hexanoylglycine24438-4
0081180Phenylpropionylglycine24441-8
0081181Suberylglycine24443-4
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • quantiative analysis of urinary acylglycines
  • urinary acylcarnitines