LOINCActiveOrder

LOINC Code 100757-4: Protein fractions.oligoclonal bands panel Isoelectric focusing (S+CSF)

100757-4 is a LOINC code used to identify Protein fractions.oligoclonal bands panel Isoelectric focusing (S+CSF) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. 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 panel. It is commonly used with the system or sample type Ser+CSF.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 panel. It is commonly used with the system or sample type Ser+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: Order
  • Panel type: Panel
  • Method: Isoelectric focusing

What it does not mean

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

Key facts

  • Protein fractions.oligoclonal bands panel - Serum and CSF by Isoelectric focusing
  • Protein fractions.oligoclonal bands panel
  • Both serum and cerebrospinal fluid; Cerebral spinal fluid; Cerebrospinal Fl; Chemistry; Frac; Fract; Fraction; Fractionated; Fractionation; IEF; M-spikes; Pan; PANEL.CHEMISTRY; Panl; Pnl; Point in time; PR; Prot; Random; Serum; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; SR

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

Protein fractions.oligoclonal bands panel Isoelectric focusing (S+CSF)Protein fractions.oligoclonal bands panel - Serum and CSF by Isoelectric focusingOligoclonal Bands panel Ser+CSF IEFProtein fractions.oligoclonal bands panelPANEL.CHEMProtein fractions.oligoclonal bands panel, Serum+Cerebrospinal fluid-

Frequently asked questions

Code details

Code100757-4
SystemLOINC
Display nameProtein fractions.oligoclonal bands panel Isoelectric focusing (S+CSF)
DescriptionProtein fractions.oligoclonal bands panel
Short nameOligoclonal Bands panel Ser+CSF IEF
ComponentProtein fractions.oligoclonal bands panel
Property-
TimingPt
System (specimen)Ser+CSF
Scale-
MethodIsoelectric focusing
ClassPANEL.CHEM
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.73
Last changed2.73

Consumer names

Protein fractions.oligoclonal bands panel, Serum+Cerebrospinal fluid

Part names

Protein fractions.oligoclonal bands panel-PtSer+CSFIsoelectric focusingPoint in time (spot)Serum and CSF

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 100757-4 | HealthAssure