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 66451-6: Shrimp native (nPen i) 11 IgE Qn (S)

Name: LOINC Code 66451-6: Shrimp native (nPen i) 11 IgE Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:46.209Z

66451-6 is a LOINC code used to identify Shrimp native (nPen i) 11 IgE Qn (S) 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 Penaeus indicus native (nPen i) 11 Ab.IgE. It is commonly used with the system or sample type Ser.

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 Penaeus indicus native (nPen i) 11 Ab.IgE. It is commonly used with the system or sample type Ser.

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

Shrimp native (nPen i) 11 IgE Ab [Units/volume] in Serum
Penaeus indicus native (nPen i) 11 Ab.IgE
ABS; Aby; Allergen; Allergens; ALLERGY TESTING; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Immune globulin E; Immunoglobulin E; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; Shrimp; Shrimp (nPen i) 11; 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

Shrimp native (nPen i) 11 IgE Qn (S)Shrimp native (nPen i) 11 IgE Ab [Units/volume] in SerumShrimp (nPen i) 11 IgE QnPenaeus indicus native (nPen i) 11 Ab.IgEALLERGYShrimp native (nPen i) 11 allergy testACnc

Frequently asked questions

Code details

Code66451-6

SystemLOINC

Display nameShrimp native (nPen i) 11 IgE Qn (S)

DescriptionPenaeus indicus native (nPen i) 11 Ab.IgE

Short nameShrimp (nPen i) 11 IgE Qn

ComponentPenaeus indicus native (nPen i) 11 Ab.IgE

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassALLERGY

Example unitskIU/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.38

Last changed2.70

Consumer names

Shrimp native (nPen i) 11 allergy test

Part names

Penaeus indicus native (nPen i) 11 Ab.IgEACncPtSerQnShrimp (Penaeus indicus) native (nPen i) 11 IgEArbitrary ConcentrationPoint in time (spot)Serum

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.