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 13169-8: Interpretation IEP [Interp]

Name: LOINC Code 13169-8: Interpretation IEP [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:23.609Z

13169-8 is a LOINC code used to identify Interpretation IEP [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 Interpretation. 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 Interpretation. 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
Method: Immunoelectrophoresis

What it does not mean

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

Key facts

Immunoelectrophoresis for Serum or Plasma
Interpretation
Chemistry; IEP; Imm elect; Immunoelect; Impression; Impression/interpretation of study; Impressions; Interp; Interpret; Interpretation; Interpt; Intrp; Nominal; Pl; Plasma; Plsm; Point in time; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SIE; SIEP; 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

Interpretation IEP [Interp]Immunoelectrophoresis for Serum or PlasmaInterpretation SerPl IEP-ImpInterpretationCHEMInterpretation of IEP test, BloodImp

Frequently asked questions

Code details

Code13169-8

SystemLOINC

Display nameInterpretation IEP [Interp]

DescriptionInterpretation

Short nameInterpretation SerPl IEP-Imp

ComponentInterpretation

PropertyImp

TimingPt

System (specimen)Ser/Plas

ScaleNom

MethodImmunoelectrophoresis

ClassCHEM

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0j-a

Last changed2.73

Consumer names

Interpretation of IEP test, Blood

Part names

InterpretationImpPtSer/PlasNomImmunoelectrophoresisImpression/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.