LOINCActiveObservation

LOINC Code 49294-2: Oligoclonal bands Nar [Interp]

49294-2 is a LOINC code used to identify Oligoclonal bands Nar [Interp] 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 25 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: Observation

What it does not mean

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

Key facts

  • Oligoclonal bands [Interpretation] in Serum or Plasma Narrative
  • Protein fractions.oligoclonal bands
  • Chemistry; Frac; Fract; Fraction; Fractionated; Fractionation; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; M-spikes; Narrative; Pl; Plasma; Plsm; Point in time; PR; Prot; Random; Report; 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 Nar [Interp]Oligoclonal bands [Interpretation] in Serum or Plasma NarrativeOligoclonal Bands SerPl-ImpProtein fractions.oligoclonal bandsCHEMInterpretation of Oligoclonal bands test result, BloodImp

Frequently asked questions

Code details

Code49294-2
SystemLOINC
Display nameOligoclonal bands Nar [Interp]
DescriptionProtein fractions.oligoclonal bands
Short nameOligoclonal Bands SerPl-Imp
ComponentProtein fractions.oligoclonal bands
PropertyImp
TimingPt
System (specimen)Ser/Plas
ScaleNar
ClassCHEM
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.54

Consumer names

Interpretation of Oligoclonal bands test result, Blood

Part names

Protein fractions.oligoclonal bandsImpPtSer/PlasNarImpression/interpretation of studyPoint 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.

LOINC Code 49294-2 | HealthAssure