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 30203-4: C. albicans reaction wheal 2 days post 0.1 mL Candida albicans intradermal (Skin) [Diam]

Name: LOINC Code 30203-4: C. albicans reaction wheal 2 days post 0.1 mL Candida albicans intradermal (Skin) [Diam]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:16.074Z

30203-4 is a LOINC code used to identify C. albicans reaction wheal 2 days post 0.1 mL Candida albicans 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 Candida albicans reaction wheal^2D post 0.1 mL Candida albicans 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 Candida albicans reaction wheal^2D post 0.1 mL Candida albicans 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

Candida albicans reaction wheal [Diameter] --2 days post 0.1 mL Candida albicans intradermal
Candida albicans reaction wheal^2D post 0.1 mL Candida albicans ID
2D p .1mL C albicans; After; C albicans; Cand; Candidiasis; Dermatologic; Diameter; Epidermis; Identifier; Integument; Intradermal; m005; m5; Monilia; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; React; Rx wheal; Rxn; Skin test; SKIN TESTS; Skn; Thrush

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

C. albicans reaction wheal 2 days post 0.1 mL Candida albicans intradermal (Skin) [Diam]Candida albicans reaction wheal [Diameter] --2 days post 0.1 mL Candida albicans intradermalWheal 2D p .1mL C albicans DiamCandida albicans reaction wheal^2D post 0.1 mL Candida albicans IDCHALSKINCandida albicans reaction wheal 2 days after 0.1 mL Candida Albicans Intradermal, SkinDiam

Frequently asked questions

Code details

Code30203-4

SystemLOINC

Display nameC. albicans reaction wheal 2 days post 0.1 mL Candida albicans intradermal (Skin) [Diam]

DescriptionCandida albicans reaction wheal^2D post 0.1 mL Candida albicans ID

Short nameWheal 2D p .1mL C albicans Diam

ComponentCandida albicans reaction wheal^2D post 0.1 mL Candida albicans ID

PropertyDiam

TimingPt

System (specimen)Skin

ScaleQn

ClassCHALSKIN

Example unitsmm

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.04

Last changed2.73

Consumer names

Candida albicans reaction wheal 2 days after 0.1 mL Candida Albicans Intradermal, Skin

Part names

Candida albicans reaction wheal^2D post 0.1 mL Candida albicans 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.