Folate and tryptophan and metabolites panel - Cerebral spinal fluid 79572-4
LOINC Code
| LOINC code | 79572-4 | ||
|---|---|---|---|
| name | Folate and tryptophan and metabolites panel - Cerebral spinal fluid | ||
| description | Testing for folate and its metabolites as well as tryptophan and its metabolites in CSF can be useful in distinguishing among various central nervous system disorders associated with folate deficiency. Low folate levels are associated with inborn errors of metabolism, including cerebral folate deficiency (CFD), a neurological syndrome that occurs around 2-4 months of age and is primarily associated with associated with low levels of 5-methyltetrahydrofolate (5-MTHF) in the CSF with normal folate levels in the plasma and red blood cells.[PMID: 19260931] Low folate levels are also associated with depression and dementia in elderly patients.[PMID: 11183038] Serotonin, which is formed from tryptophan, may be the link between folate and depression or dementia. Many patients with neuropsychiatric disorders and folate deficiency have also been found to have low levels of 5-hydroxyindoleacetic acid (5-HIAA, a serotonin metabolite), and patients with 5,10-methylenetetrahydrofolate reductase (MTHFR) deficiency also have decreased serotonin synthesis. [PMCID: 1810582] | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Folate & tryptophan & metabolites panel | ||
| property | - | ||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||
| system | CSF = Cerebral spinal fluid | ||
| scale | - | ||
| method | |||
Additional Names | |||
| short name | Folate + Tryp + Metabs Pnl CSF | ||
Basic Attributes | |||
| class | PANEL.CHEM | ||
| type | 1 Laboratory | ||
| order vs. observation | Order | ||
Panel Components | |||
Associated Observations | |||
LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations. | |||
History/Usage | |||
| first released | |||
| last updated | 2.54 | ||
| last change type | MIN - change to field other than name | ||
Related Names | |||
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