LOINCActiveObservation

LOINC Code 49298-3: Protein Fractions Nar [Interp]

49298-3 is a LOINC code used to identify Protein Fractions 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 pattern. 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 Protein pattern. 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

  • Protein Fractions [Interpretation] in Serum or Plasma Narrative
  • Protein pattern
  • Chemistry; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Narrative; Pl; Plasma; Plsm; Point in time; PR; Prot; Prot Pattern; Protein fractions; 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

Protein Fractions Nar [Interp]Protein Fractions [Interpretation] in Serum or Plasma NarrativeProt Pattern SerPl-ImpProtein patternCHEMInterpretation of Protein fractions test result, BloodImp

Frequently asked questions

Code details

Code49298-3
SystemLOINC
Display nameProtein Fractions Nar [Interp]
DescriptionProtein pattern
Short nameProt Pattern SerPl-Imp
ComponentProtein pattern
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 changed2.73

Consumer names

Interpretation of Protein fractions test result, Blood

Part names

Protein patternImpPtSer/PlasNarProtein FractionsImpression/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 49298-3 | HealthAssure