LOINC Code 31664-6: Sulfate-3-Glucuronyl paragloboside IgM Qn (CSF)

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 Sulfate-3-Glucuronyl paragloboside Ab.IgM. 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

• Sulfate-3-Glucuronyl paragloboside IgM Ab [Units/volume] in Cerebral spinal fluid
• Sulfate-3-Glucuronyl paragloboside Ab.IgM
• ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; III; Immune globulin M; Immunoglobulin M; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; SGPG; SO4; SO4-2; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Sulf

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