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 74666-9: Monoclonal band observed Immunofixation Nom (U)

Name: LOINC Code 74666-9: Monoclonal band observed Immunofixation Nom (U)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

74666-9 is a LOINC code used to identify Monoclonal band observed Immunofixation Nom (U) 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 Monoclonal band observed. 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 Monoclonal band observed. 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: Both
Method: Immunofixation

What it does not mean

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

Key facts

Monoclonal band observed [Identifier] in Urine by Immunofixation
Monoclonal band observed
Monoclonal Protein Peak 1 Identification in Urine by Immunofixation (IFE).
Bands; bnd; Chemistry; Hematology; Heme; Identity or presence; IFE; Ifix; Immunofixation electrophoresis; Monoclon Band Obs; Nominal; Point in time; Random; UA; 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 Monoclonal band observed Immunofixation Nom (U) (74666-9)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Monoclonal band observed Immunofixation Nom (U)Monoclonal band observed [Identifier] in Urine by ImmunofixationMonoclon Band Obs Ur IFEMonoclonal band observedCHEMMonoclonal band observed, UrinePrid

Frequently asked questions

Code details

Code74666-9

SystemLOINC

Display nameMonoclonal band observed Immunofixation Nom (U)

DescriptionMonoclonal band observed

Short nameMonoclon Band Obs Ur IFE

ComponentMonoclonal band observed

PropertyPrid

TimingPt

System (specimen)Urine

ScaleNom

MethodImmunofixation

ClassCHEM

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.48

Last changed2.73

Consumer names

Monoclonal band observed, Urine

Part names

Monoclonal band observedPridPtUrineNomImmunofixationPresence or IdentityPoint 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.