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.

LOINCActiveObservation

LOINC Code 50408-4: Protein.abnormal band Elph (U) [Mass fraction]

Name: LOINC Code 50408-4: Protein.abnormal band Elph (U) [Mass fraction]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

50408-4 is a LOINC code used to identify Protein.abnormal band 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.abnormal band/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.abnormal band/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

Protein.abnormal band/Protein.total in Urine by Electrophoresis
Protein.abnormal band/Protein.total
abn; Abn Prot; abnorm; Bands; bnd; Chemistry; Elec; Elect; Electr; Electro; Electrophhrs; Electrophrs; Elp; Elph; Ep; Mass fraction; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Protein.abnormal band Elph (U) [Mass fraction] (50408-4)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Protein.abnormal band Elph (U) [Mass fraction]Protein.abnormal band/Protein.total in Urine by ElectrophoresisAbn Prot MFr Ur ElphProtein.abnormal band/Protein.totalCHEMProtein.abnormal band, UrineMFr

Frequently asked questions

Code details

Code50408-4

SystemLOINC

Display nameProtein.abnormal band Elph (U) [Mass fraction]

DescriptionProtein.abnormal band/Protein.total

Short nameAbn Prot MFr Ur Elph

ComponentProtein.abnormal band/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 changed2.73

Consumer names

Protein.abnormal band, Urine

Part names

Protein.abnormal band/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.