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LOINC Code 57766-8: H. capsulatum Ag (Body fld) [Mass/Vol]

57766-8 is a LOINC code used to identify H. capsulatum Ag (Body fld) [Mass/Vol] 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 Histoplasma capsulatum 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 Histoplasma capsulatum 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

  • Histoplasma capsulatum Ag [Mass/volume] in Body fluid
  • Histoplasma capsulatum Ag
  • Antigen; Antigens; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Fl; Fld; FLU; Fluid; H capsul; H capsulatum; H farciminosum; Histo; Histopl; Histoplasma farciminosum; Histoplasmos; Histoplasmosis; ID; Infectious Disease; InfectiousDisease; Level; Mass concentration; 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.

Common synonyms

H. capsulatum Ag (Body fld) [Mass/Vol]Histoplasma capsulatum Ag [Mass/volume] in Body fluidH capsul Ag Fld-mCncHistoplasma capsulatum AgMICROHistoplasma capsulatum antigen, Body fluidMCnc

Frequently asked questions

Code details

Code57766-8
SystemLOINC
Display nameH. capsulatum Ag (Body fld) [Mass/Vol]
DescriptionHistoplasma capsulatum Ag
Short nameH capsul Ag Fld-mCnc
ComponentHistoplasma capsulatum Ag
PropertyMCnc
TimingPt
System (specimen)Body fld
ScaleQn
ClassMICRO
Example unitsng/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.70

Consumer names

Histoplasma capsulatum antigen, Body fluid

Part names

Histoplasma capsulatum AgMCncPtBody fldQnMass 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.