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 41178-5: Mumps reaction wheal 2 days post dose mumps intradermal (Skin) [Diam]

Name: LOINC Code 41178-5: Mumps reaction wheal 2 days post dose mumps intradermal (Skin) [Diam]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:27.679Z

41178-5 is a LOINC code used to identify Mumps reaction wheal 2 days post dose mumps 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 Mumps reaction wheal^2D post dose mumps 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 Mumps reaction wheal^2D post dose mumps 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

Mumps reaction wheal [Diameter] --2 days post dose mumps intradermal
Mumps reaction wheal^2D post dose mumps ID
2D p Mumps; After; Dermatologic; Diameter; Epidermis; Identifier; Integument; Intradermal; p dose; 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

Mumps reaction wheal 2 days post dose mumps intradermal (Skin) [Diam]Mumps reaction wheal [Diameter] --2 days post dose mumps intradermalWheal 2D p Mumps DiamMumps reaction wheal^2D post dose mumps IDCHALSKINMumps reaction wheal 2 days after Mumps Intradermal, SkinDiam

Frequently asked questions

Code details

Code41178-5

SystemLOINC

Display nameMumps reaction wheal 2 days post dose mumps intradermal (Skin) [Diam]

DescriptionMumps reaction wheal^2D post dose mumps ID

Short nameWheal 2D p Mumps Diam

ComponentMumps reaction wheal^2D post dose mumps ID

PropertyDiam

TimingPt

System (specimen)Skin

ScaleQn

ClassCHALSKIN

Example unitsmm

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.15

Last changed2.42

Consumer names

Mumps reaction wheal 2 days after Mumps Intradermal, Skin

Part names

Mumps reaction wheal^2D post dose mumps 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.