LOINC Code 56764-4: Oligoclonal Bands IgG Isoelectric focusing Ql (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 Protein fractions.oligoclonal bands.IgG. 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
• Method: Isoelectric focusing

What it does not mean

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

Key facts

• Oligoclonal Bands IgG [Presence] in Cerebral spinal fluid by Isoelectric focusing
• Protein fractions.oligoclonal bands.IgG
• Cerebral spinal fluid; Cerebrospinal Fl; Chemistry; Frac; Fract; Fraction; Fractionated; Fractionation; IEF; Immune globulin G; Immunoglobulin G; M-spikes; Neuro; Neurology; Oligoclonal Bands IgG; Ordinal; Point in time; PR; Prot; QL; Qual; Qualitative; Random; Screen; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; UniversalLabOrders

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