LOINCActiveBoth

LOINC Code 78347-2: DPA (RBC) [Entitic substance]

78347-2 is a LOINC code used to identify DPA (RBC) [Entitic substance] 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 Docosapentaenate w3. It is commonly used with the system or sample type RBC.

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 Docosapentaenate w3. It is commonly used with the system or sample type RBC.

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

What it does not mean

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

Key facts

Docosapentaenate (C225w3) [Entitic substance] in Red Blood Cells
Docosapentaenate w3
C225w3; Chemistry; Docosapentaenic acid; DPA; Entitic substance; Erythrocytes; Point in time; QNT; Quan; Quant; Quantitative; Random; Red blood cells; Red blood corpusles

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

DPA (RBC) [Entitic substance]Docosapentaenate (C22:5w3) [Entitic substance] in Red Blood CellsDPA EntSub RBCDocosapentaenate w3CHEMDPA, Red blood cellsEntSub

Frequently asked questions

Code details

Code78347-2
SystemLOINC
Display nameDPA (RBC) [Entitic substance]
DescriptionDocosapentaenate w3
Short nameDPA EntSub RBC
ComponentDocosapentaenate w3
PropertyEntSub
TimingPt
System (specimen)RBC
ScaleQn
ClassCHEM
Example unitsumol/10*6 RBC
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.65

Consumer names

DPA, Red blood cells

Part names

Docosapentaenate w3EntSubPtRBCQnDocosapentaenate (C22:5w3)Entitic substancePoint in time (spot)Red Blood Cells

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 78347-2 | HealthAssure