LOINCActiveObservation

LOINC Code 50059-5: Oligoclonal bands Elph (U) [Mass fraction]

50059-5 is a LOINC code used to identify Oligoclonal bands Elph (U) [Mass fraction] 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/Protein.total. It is commonly used with the system or sample type Urine.

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/Protein.total. It is commonly used with the system or sample type Urine.

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
  • Method: Electrophoresis

What it does not mean

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

Key facts

  • Oligoclonal bands/Protein.total in Urine by Electrophoresis
  • Protein fractions.oligoclonal bands/Protein.total
  • Chemistry; Elec; Elect; Electr; Electro; Electrophhrs; Electrophrs; Elp; Elph; Ep; Frac; Fract; Fraction; Fractionated; Fractionation; Mass fraction; M-spikes; Percent; PEUR; Point in time; PR; Prot; QNT; Quan; Quant; Quantitative; Random; Tot; Totl; TP; UA; UPEP; UR; Urn

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 Elph (U) [Mass fraction]Oligoclonal bands/Protein.total in Urine by ElectrophoresisOligoclonal Bands MFr Ur ElphProtein fractions.oligoclonal bands/Protein.totalCHEMOligoclonal bands, UrineMFr

Frequently asked questions

Code details

Code50059-5
SystemLOINC
Display nameOligoclonal bands Elph (U) [Mass fraction]
DescriptionProtein fractions.oligoclonal bands/Protein.total
Short nameOligoclonal Bands MFr Ur Elph
ComponentProtein fractions.oligoclonal bands/Protein.total
PropertyMFr
TimingPt
System (specimen)Urine
ScaleQn
MethodElectrophoresis
ClassCHEM
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.70

Consumer names

Oligoclonal bands, Urine

Part names

Protein fractions.oligoclonal bands/Protein.totalMFrPtUrineQnElectrophoresisMass fractionPoint in time (spot)

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.