LOINC Code 1692-3: 5-Hydroxyindoleacetate (CSF) [Mass/Vol]

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component 5-Hydroxyindoleacetate. It is commonly used with the system or sample type CSF.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Both

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• 5-Hydroxyindoleacetate [Mass/volume] in Cerebral spinal fluid
• 5-Hydroxyindoleacetate
• 5HIA; 5HIAA; 5-HIAA; 5-Hydroxy indoleacetate; 5-hydroxyindoleacetic acid; 5OH-indoleacetate; Cerebral spinal fluid; Cerebrospinal Fl; Chemistry; Hydroxyindoacet; Level; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Serotonin metabolite; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Tumor marker

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions