LOINCActiveBoth

LOINC Code 15351-0: Apolipoprotein E2 Ql (Bld)

15351-0 is a LOINC code used to identify Apolipoprotein E2 Ql (Bld) 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 Apolipoprotein E2. It is commonly used with the system or sample type Bld.

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 Apolipoprotein E2. It is commonly used with the system or sample type Bld.

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

  • Apolipoprotein E2 [Presence] in Blood
  • Apolipoprotein E2
  • APO; Apo E2; Apolipo; Apolipoprot; Apolipoprotein E-II; Apolipoproteins; Blood; Chemistry; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; WB; Whole blood

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

Apolipoprotein E2 Ql (Bld)Apolipoprotein E2 [Presence] in BloodApo E2 Bld QlApolipoprotein E2CHEMApolipoprotein E2, BloodPrThr

Frequently asked questions

Code details

Code15351-0
SystemLOINC
Display nameApolipoprotein E2 Ql (Bld)
DescriptionApolipoprotein E2
Short nameApo E2 Bld Ql
ComponentApolipoprotein E2
PropertyPrThr
TimingPt
System (specimen)Bld
ScaleOrd
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.73

Consumer names

Apolipoprotein E2, Blood

Part names

Apolipoprotein E2PrThrPtBldOrdPresence or ThresholdPoint in time (spot)Blood

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.