LOINCActiveBoth

LOINC Code 51754-0: H. capsulatum Ag IA (CSF) [Mass/Vol]

51754-0 is a LOINC code used to identify H. capsulatum Ag IA (CSF) [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 CSF.

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 Histoplasma capsulatum Ag. It is commonly used with the system or sample type CSF.

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

  • Histoplasma capsulatum Ag [Mass/volume] in Cerebral spinal fluid by Immunoassay
  • Histoplasma capsulatum Ag
  • Antigen; Antigens; Cerebral spinal fluid; Cerebrospinal Fl; EIA; ELFA; ELISA; Enzyme immunoassay; H capsul; H capsulatum; H farciminosum; Histo; Histopl; Histoplasma farciminosum; Histoplasmos; Histoplasmosis; IAA; ID; Infectious Disease; InfectiousDisease; Level; Mass concentration; MEIA; Microbiology; Neuro; Neurology; Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; 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

H. capsulatum Ag IA (CSF) [Mass/Vol]Histoplasma capsulatum Ag [Mass/volume] in Cerebral spinal fluid by ImmunoassayH capsul Ag CSF IA-mCncHistoplasma capsulatum AgMICROHistoplasma capsulatum antigen, Spinal fluidMCnc

Frequently asked questions

Code details

Code51754-0
SystemLOINC
Display nameH. capsulatum Ag IA (CSF) [Mass/Vol]
DescriptionHistoplasma capsulatum Ag
Short nameH capsul Ag CSF IA-mCnc
ComponentHistoplasma capsulatum Ag
PropertyMCnc
TimingPt
System (specimen)CSF
ScaleQn
MethodIA
ClassMICRO
Example unitsng/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.24
Last changed2.73

Consumer names

Histoplasma capsulatum antigen, Spinal fluid

Part names

Histoplasma capsulatum AgMCncPtCSFQnIAMass ConcentrationPoint in time (spot)Cerebral spinal fluidImmunoassay

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 51754-0 | HealthAssure