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 23151-4: L. reaction wheal 3 days post 0.1 mL leishmanin intradermal (Skin) [Diam]

Name: LOINC Code 23151-4: L. reaction wheal 3 days post 0.1 mL leishmanin intradermal (Skin) [Diam]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:30.729Z

23151-4 is a LOINC code used to identify L. reaction wheal 3 days post 0.1 mL leishmanin intradermal (Skin) [Diam] 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 Leishmania reaction wheal^3D post 0.1 mL leishmanin ID. It is commonly used with the system or sample type Skin.

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 Leishmania reaction wheal^3D post 0.1 mL leishmanin ID. It is commonly used with the system or sample type Skin.

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

Leishmania reaction wheal [Diameter] --3 days post 0.1 mL leishmanin intradermal
Leishmania reaction wheal^3D post 0.1 mL leishmanin ID
3D p .1mL Leishmanin; After; Dermatologic; Diameter; Epidermis; Identifier; Integument; Intradermal; Leishmaniasis; Leishmaniosis; Montenegro reaction; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; React; Rx wheal; Rxn; Skin test; SKIN TESTS; Skn

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

L. reaction wheal 3 days post 0.1 mL leishmanin intradermal (Skin) [Diam]Leishmania reaction wheal [Diameter] --3 days post 0.1 mL leishmanin intradermalWheal 3D p .1mL Leishmanin DiamLeishmania reaction wheal^3D post 0.1 mL leishmanin IDCHALSKINLeishmania reaction wheal 3 days after 0.1 mL Leishmanin Intradermal, SkinDiam

Frequently asked questions

Code details

Code23151-4

SystemLOINC

Display nameL. reaction wheal 3 days post 0.1 mL leishmanin intradermal (Skin) [Diam]

DescriptionLeishmania reaction wheal^3D post 0.1 mL leishmanin ID

Short nameWheal 3D p .1mL Leishmanin Diam

ComponentLeishmania reaction wheal^3D post 0.1 mL leishmanin ID

PropertyDiam

TimingPt

System (specimen)Skin

ScaleQn

ClassCHALSKIN

Example unitsmm

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0n

Last changed2.42

Consumer names

Leishmania reaction wheal 3 days after 0.1 mL Leishmanin Intradermal, Skin

Part names

Leishmania reaction wheal^3D post 0.1 mL leishmanin IDDiamPtSkinQnDiameterPoint in time (spot)

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.