Acylglycines, Quantitative, Urine
Ordering Recommendation
Diagnose and monitor for fatty acid oxidation disorders and organic acidemias. Use in conjunction with urine organic acids and plasma acylcarnitines testing.
New York DOH Approval Status
Specimen Required
Random urine.
Transfer 6 mL urine to ARUP Standard Transport Tubes and freeze immediately. (Min: 3 mL) Avoid dilute urine when possible.
Frozen.
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 https://www.aruplab.com/patienthistory or by contacting ARUP Client Services.
Ambient: Unacceptable; Refrigerated: 24 hours; Frozen: 30 days
Methodology
Liquid Chromatography-Tandem Mass Spectrometry
Performed
Wed
Reported
2-13 days
Reference Interval
Reports include age appropriate reference interval.
Test Number |
Components |
Reference Interval |
---|---|---|
Propionylglycine | By report | |
Isobutyrylglycine | By report | |
Butyrylglycine | By report | |
2-Methylbutyrylglycine | By report | |
Isovalerylglycine | By report | |
3-Methylcrotonylglycine | By report | |
Tiglylglycine | By report | |
Hexanoylglycine | By report | |
Phenylpropionylglycine | By report | |
Suberylglycine | By report |
Interpretive Data
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
82542
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0081171 | Acylglycines, Urine Interpretation | 53718-3 |
0081172 | Propionylglycine | 24442-6 |
0081173 | Isobutyrylglycine | 24439-2 |
0081174 | Butyrylglycine | 24437-6 |
0081175 | 2-Methylbutyrylglycine | 24435-0 |
0081176 | Isovalerylglycine | 24440-0 |
0081177 | 3-Methylcrotonylglycine | 24436-8 |
0081178 | Tiglylglycine | 24444-2 |
0081179 | Hexanoylglycine | 24438-4 |
0081180 | Phenylpropionylglycine | 24441-8 |
0081181 | Suberylglycine | 24443-4 |
3002335 | Creatinine, Urine | 2161-8 |
Aliases
- quantiative analysis of urinary acylglycines
- urinary acylcarnitines