LOINCActiveBoth

LOINC Code 91682-5: H. capsulatum Ab Immune diff Nom (CSF)

91682-5 is a LOINC code used to identify H. capsulatum Ab Immune diff Nom (CSF) 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 Ab. 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 Ab. 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: Immune diffusion

What it does not mean

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

Key facts

  • Histoplasma capsulatum Ab [Identifier] in Cerebral spinal fluid by Immune diffusion (ID)
  • Histoplasma capsulatum Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; H capsul; H capsulatum; H farciminosum; Histo; Histopl; Histoplasma farciminosum; Histoplasmos; Histoplasmosis; ID; Identity or presence; Imm; Immunodiff; Immunodiffusion; Imun; Imune; Microbiology; Nominal; Point in time; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid

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 Ab Immune diff Nom (CSF)Histoplasma capsulatum Ab [Identifier] in Cerebral spinal fluid by Immune diffusion (ID)H capsul Ab CSF IDHistoplasma capsulatum AbMICROHistoplasma capsulatum antibody, Spinal fluidPrid

Frequently asked questions

Code details

Code91682-5
SystemLOINC
Display nameH. capsulatum Ab Immune diff Nom (CSF)
DescriptionHistoplasma capsulatum Ab
Short nameH capsul Ab CSF ID
ComponentHistoplasma capsulatum Ab
PropertyPrid
TimingPt
System (specimen)CSF
ScaleNom
MethodImmune diffusion
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.66
Last changed2.73

Consumer names

Histoplasma capsulatum antibody, Spinal fluid

Part names

Histoplasma capsulatum AbPridPtCSFNomImmune diffusionPresence or IdentityPoint in time (spot)Cerebral spinal fluidImmune diffusion (ID)

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 91682-5 | HealthAssure