What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 100755-8: Oligoclonal bands Isoelectric focusing [#]

Name: LOINC Code 100755-8: Oligoclonal bands Isoelectric focusing [#]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:16.533Z

100755-8 is a LOINC code used to identify Oligoclonal bands Isoelectric focusing [#] 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. It is commonly used with the system or sample type Ser/Plas.

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. It is commonly used with the system or sample type Ser/Plas.

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 [#] in Serum or Plasma by Isoelectric focusing
Protein fractions.oligoclonal bands
Chemistry; Cnt; Count; Frac; Fract; Fraction; Fractionated; Fractionation; IEF; M-spikes; Number; Pl; Plasma; Plsm; Point in time; PR; Prot; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

Oligoclonal bands Isoelectric focusing [#]Oligoclonal bands [#] in Serum or Plasma by Isoelectric focusingOligoclonal Bands SerPl IEFProtein fractions.oligoclonal bandsCHEMOligoclonal bands, BloodNum

Frequently asked questions

Code details

Code100755-8

SystemLOINC

Display nameOligoclonal bands Isoelectric focusing [#]

DescriptionProtein fractions.oligoclonal bands

Short nameOligoclonal Bands SerPl IEF

ComponentProtein fractions.oligoclonal bands

PropertyNum

TimingPt

System (specimen)Ser/Plas

ScaleQn

MethodIsoelectric focusing

ClassCHEM

Example units#

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.73

Last changed2.73

Consumer names

Oligoclonal bands, Blood

Part names

Protein fractions.oligoclonal bandsNumPtSer/PlasQnIsoelectric focusingNumber (count)Point in time (spot)Serum or Plasma

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.