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.

LOINCOrder

LOINC Code 109140-4: Coccidioides sp IgG (S) [Measurement]

Name: LOINC Code 109140-4: Coccidioides sp IgG (S) [Measurement]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:21.042Z

109140-4 is a LOINC code used to identify Coccidioides sp IgG (S) [Measurement] 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.IgG. It is commonly used with the system or sample type Ser.

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 Coccidioides sp Ab.IgG. 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: TRIAL
Order vs observation: Order

What it does not mean

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

Key facts

Coccidioides sp IgG Ab [Measurement] in Serum

Coccidioides sp Ab.IgG

This term is intended to collate similar measurements for the LOINC SNOMED CT Collaboration in an ontological view. Additionally, it can be used to communicate a laboratory order, either alone or in combination with specimen or other information in the order. It may NOT be used to report back the measured patient value. [https//lo.inc/ce2mb6]

ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Coccidiodes; Immune globulin G; Immunoglobulin G; Lab orders; Msmt; San Joaquin Valley fever; Serum; species; spp; SR; 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.

Common synonyms

Coccidioides sp IgG (S) [Measurement]Coccidioides sp IgG Ab [Measurement] in SerumCoccidioides IgG Msmt SerCoccidioides sp Ab.IgGLABORDERS.ONTOLOGYCoccidioides sp IgG antibody, Blood{Measurement}

Frequently asked questions

Code details

Code109140-4

SystemLOINC

Display nameCoccidioides sp IgG (S) [Measurement]

DescriptionCoccidioides sp Ab.IgG

Short nameCoccidioides IgG Msmt Ser

ComponentCoccidioides sp Ab.IgG

Property{Measurement}

Timing-

System (specimen)Ser

Scale-

ClassLABORDERS.ONTOLOGY

StatusTRIAL

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.81

Last changed2.81

Consumer names

Coccidioides sp IgG antibody, Blood

Part names

Coccidioides sp Ab.IgG{Measurement}-SerCoccidioides sp IgGMeasurementSerum

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.