LOINCActiveBoth

LOINC Code 43865-5: B. dermatitidis IgG IA Ql (S)

43865-5 is a LOINC code used to identify B. dermatitidis IgG IA Ql (S) 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 Ab.IgG. It is commonly used with the system or sample type Ser.

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 Blastomyces dermatitidis Ab.IgG. It is commonly used with the system or sample type Ser.

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
  • Method: IA

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Blastomyces dermatitidis IgG Ab [Presence] in Serum by Immunoassay
  • Blastomyces dermatitidis Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B dermat; B dermatitidis; Blasto; Blastomycosis; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; SR; SUDS

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

B. dermatitidis IgG IA Ql (S)Blastomyces dermatitidis IgG Ab [Presence] in Serum by ImmunoassayB dermat IgG Ser Ql IABlastomyces dermatitidis Ab.IgGMICROBlastomyces dermatitidis IgG antibody, BloodPrThr

Frequently asked questions

Code details

Code43865-5
SystemLOINC
Display nameB. dermatitidis IgG IA Ql (S)
DescriptionBlastomyces dermatitidis Ab.IgG
Short nameB dermat IgG Ser Ql IA
ComponentBlastomyces dermatitidis Ab.IgG
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.56

Consumer names

Blastomyces dermatitidis IgG antibody, Blood

Part names

Blastomyces dermatitidis Ab.IgGPrThrPtSerOrdIABlastomyces dermatitidis IgGPresence or ThresholdPoint in time (spot)SerumImmunoassay

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.

LOINC Code 43865-5 | HealthAssure