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Organic Acids, Qualitative
| Item | Value |
|---|---|
| Approval req'd? | No |
| Available Stat? | No |
| Test code | OAX |
| Performed by | Lucille-Packard Children's Hospital |
| Sendout? | Yes |
| Method | GC/MS |
| Container type | Urine cup |
| Amount to Collect | 20 mL urine |
| Sample type | Random urine, without preservatives |
| Preferred volume | 5 mL urine |
| Min. Volume | 3 mL urine |
| Processing notes | Store frozen at -20C. Specimen pickup by Stanford Courier Services Monday-Friday. Maintain specimen in frozen condition to Stanford Hospital Clinical Laboratories. |
| Normal range | Negative |
| Synonyms | Homogentisic Acid |
| Turn around times | Test batched, twice weekly. Result available: 5 business days. |
| Additional information | This qualitative screen identifies abnormalities in over 200 different organic acids, using Gas Chromatography/Mass Spectrometry. Inborn errors of metabolism detected by this test include methymalonic academia, propionic academia, isovaleric academia, Canavan disease and many others. |
| LOINC code | 2676-5 |
| Last Updated | 5/10/2013 1:11:37 PM |
| Entry Number | 695 |
If you have additional questions regarding this test, please call: 415-353-1667