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 54455-1: B. dermatitidis Ag Qn (Body fld)

Name: LOINC Code 54455-1: B. dermatitidis Ag Qn (Body fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

54455-1 is a LOINC code used to identify B. dermatitidis Ag Qn (Body fld) 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 Blastomyces dermatitidis Ag. It is commonly used with the system or sample type Body fld.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Blastomyces dermatitidis Ag. It is commonly used with the system or sample type Body fld.

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

Blastomyces dermatitidis Ag [Units/volume] in Body fluid
Blastomyces dermatitidis Ag
Antigen; Antigens; Arbitrary concentration; B dermat; B dermatitidis; B/F; BF; Blasto; Blastomycosis; bod; Bodies; Body fluid; Body fluid, unsp; Fl; Fld; FLU; Fluid; ID; Infectious Disease; InfectiousDisease; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for B. dermatitidis Ag Qn (Body fld) (54455-1)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

B. dermatitidis Ag Qn (Body fld)Blastomyces dermatitidis Ag [Units/volume] in Body fluidB dermat Ag Fld-aCncBlastomyces dermatitidis AgMICROBlastomyces dermatitidis antigen, Body fluidACnc

Frequently asked questions

Code details

Code54455-1

SystemLOINC

Display nameB. dermatitidis Ag Qn (Body fld)

DescriptionBlastomyces dermatitidis Ag

Short nameB dermat Ag Fld-aCnc

ComponentBlastomyces dermatitidis Ag

PropertyACnc

TimingPt

System (specimen)Body fld

ScaleQn

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.27

Last changed2.73

Consumer names

Blastomyces dermatitidis antigen, Body fluid

Part names

Blastomyces dermatitidis AgACncPtBody fldQnArbitrary ConcentrationPoint in time (spot)Body fluid

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.