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.
New York State Clients: Transport 10 mL urine. (Min: 4 mL)
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
Laboratory Developed Test (LDT)
Note
Hotline History
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