LOINCActiveBoth

LOINC Code 51789-6: H. capsulatum mycelial phase Ab Immune diff (S) [Titer]

51789-6 is a LOINC code used to identify H. capsulatum mycelial phase Ab Immune diff (S) [Titer] 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 mycelial phase Ab. It is commonly used with the system or sample type Ser.

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 mycelial phase Ab. 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: Immune diffusion

What it does not mean

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

Key facts

  • Histoplasma capsulatum mycelial phase Ab [Titer] in Serum by Immune diffusion (ID)
  • Histoplasma capsulatum mycelial phase Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); H capsul; H capsul Myc; H capsulatum; H farciminosum; Histo; Histopl; Histoplasma farciminosum; Histoplasmin; Histoplasmos; Histoplasmosis; ID; Imm; Immunodiff; Immunodiffusion; Imun; Imune; Infectious Disease; InfectiousDisease; Microbiology; Mycel; Point in time; Random; Serum; SmQn; SR; Titer; Titered; Titre; Ttr

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 mycelial phase Ab Immune diff (S) [Titer]Histoplasma capsulatum mycelial phase Ab [Titer] in Serum by Immune diffusion (ID)H capsul Myc Ab Titr Ser IDHistoplasma capsulatum mycelial phase AbMICROHistoplasma capsulatum mycelial phase antibody, BloodTitr

Frequently asked questions

Code details

Code51789-6
SystemLOINC
Display nameH. capsulatum mycelial phase Ab Immune diff (S) [Titer]
DescriptionHistoplasma capsulatum mycelial phase Ab
Short nameH capsul Myc Ab Titr Ser ID
ComponentHistoplasma capsulatum mycelial phase Ab
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
MethodImmune diffusion
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.24
Last changed2.75

Consumer names

Histoplasma capsulatum mycelial phase antibody, Blood

Part names

Histoplasma capsulatum mycelial phase AbTitrPtSerSemiQnImmune diffusionTiterPoint in time (spot)SerumImmune 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 51789-6 | HealthAssure