What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 51788-8: Coccidioides sp Ab Immune diff (S) [Titer]

Name: LOINC Code 51788-8: Coccidioides sp Ab Immune diff (S) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

51788-8 is a LOINC code used to identify Coccidioides sp 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 Coccidioides sp 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 Coccidioides sp 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

Coccidioides sp Ab [Titer] in Serum by Immune diffusion (ID)
Coccidioides sp Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Coccidiodes; Dilution factor; Dilution Factor (Titer); ID; Imm; Immunodiff; Immunodiffusion; Imun; Imune; Infectious Disease; InfectiousDisease; Microbiology; Point in time; Random; San Joaquin Valley fever; Serum; SmQn; species; spp; SR; Titer; Titered; Titre; Ttr; Valley fever

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Coccidioides sp Ab Immune diff (S) [Titer] (51788-8)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Coccidioides sp Ab Immune diff (S) [Titer]Coccidioides sp Ab [Titer] in Serum by Immune diffusion (ID)Coccidioides Ab Titr Ser IDCoccidioides sp AbMICROCoccidioides sp antibody, BloodTitr

Frequently asked questions

Code details

Code51788-8

SystemLOINC

Display nameCoccidioides sp Ab Immune diff (S) [Titer]

DescriptionCoccidioides sp Ab

Short nameCoccidioides Ab Titr Ser ID

ComponentCoccidioides sp 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

Coccidioides sp antibody, Blood

Part names

Coccidioides sp 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.