LOINCActiveObservation

LOINC Code 41176-9: Trichophyton reaction wheal 2 days post dose trichophyton intradermal (Skin) [Diam]

41176-9 is a LOINC code used to identify Trichophyton reaction wheal 2 days post dose trichophyton 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 Trichophyton reaction wheal^2D post dose trichophyton 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 Trichophyton reaction wheal^2D post dose trichophyton 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

  • Trichophyton reaction wheal [Diameter] --2 days post dose trichophyton intradermal
  • Trichophyton reaction wheal^2D post dose trichophyton ID
  • 2D p Trichophyt; 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

Trichophyton reaction wheal 2 days post dose trichophyton intradermal (Skin) [Diam]Trichophyton reaction wheal [Diameter] --2 days post dose trichophyton intradermalWheal 2D p Trichophyt DiamTrichophyton reaction wheal^2D post dose trichophyton IDCHALSKINTrichophyton reaction wheal 2 days after Trichophyton Intradermal, SkinDiam

Frequently asked questions

Code details

Code41176-9
SystemLOINC
Display nameTrichophyton reaction wheal 2 days post dose trichophyton intradermal (Skin) [Diam]
DescriptionTrichophyton reaction wheal^2D post dose trichophyton ID
Short nameWheal 2D p Trichophyt Diam
ComponentTrichophyton reaction wheal^2D post dose trichophyton 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

Trichophyton reaction wheal 2 days after Trichophyton Intradermal, Skin

Part names

Trichophyton reaction wheal^2D post dose trichophyton 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.