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 97858-5: Coccidioides sp Ab CF (Specimen) [Titer]

Name: LOINC Code 97858-5: Coccidioides sp Ab CF (Specimen) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:31.426Z

97858-5 is a LOINC code used to identify Coccidioides sp Ab CF (Specimen) [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 XXX.

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. It is commonly used with the system or sample type XXX.

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: Comp fix

What it does not mean

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

Key facts

Coccidioides sp Ab [Titer] in Specimen by Complement fixation
Coccidioides sp Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; CF; Coccidiodes; Comp fixation; Compfix; Complement fixation; Dilution factor; Dilution Factor (Titer); ID; Infectious Disease; InfectiousDisease; Microbiology; Misc; Miscellaneous; Other; Point in time; Random; San Joaquin Valley fever; SmQn; Spec; species; spp; Titer; Titered; Titre; To be specified in another part of the message; Ttr; Unspecified; 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 Ab CF (Specimen) [Titer]Coccidioides sp Ab [Titer] in Specimen by Complement fixationCoccidioides Ab Titr Spec CFCoccidioides sp AbMICROCoccidioides sp antibody, SpecimenTitr

Frequently asked questions

Code details

Code97858-5

SystemLOINC

Display nameCoccidioides sp Ab CF (Specimen) [Titer]

DescriptionCoccidioides sp Ab

Short nameCoccidioides Ab Titr Spec CF

ComponentCoccidioides sp Ab

PropertyTitr

TimingPt

System (specimen)XXX

ScaleSemiQn

MethodComp fix

ClassMICRO

Example unitstiter

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.70

Last changed2.75

Consumer names

Coccidioides sp antibody, Specimen

Part names

Coccidioides sp AbTitrPtXXXSemiQnComp fixTiterPoint in time (spot)Complement fixation

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.