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.

LOINCActiveObservation

LOINC Code 105923-7: Cryptococcus sp Ag IA Ql (Bld)

Name: LOINC Code 105923-7: Cryptococcus sp Ag IA Ql (Bld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.666Z

105923-7 is a LOINC code used to identify Cryptococcus sp Ag IA Ql (Bld) 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 Cryptococcus sp Ag. It is commonly used with the system or sample type Bld.

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 Cryptococcus sp Ag. It is commonly used with the system or sample type Bld.

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: Observation
Method: IA

What it does not mean

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

Key facts

Cryptococcus sp Ag [Presence] in Blood by Immunoassay
Cryptococcus sp Ag
Antigen; Antigens; Blood; Crypt; Crypto; Cryptococcal; Cryptococcosis; Cryptococcosus; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; MEIA; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; species; spp; SUDS; WB; Whole blood

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

Cryptococcus sp Ag IA Ql (Bld)Cryptococcus sp Ag [Presence] in Blood by ImmunoassayCryptoc Ag Bld Ql IACryptococcus sp AgMICROCryptococcus sp antigen, BloodPrThr

Frequently asked questions

Code details

Code105923-7

SystemLOINC

Display nameCryptococcus sp Ag IA Ql (Bld)

DescriptionCryptococcus sp Ag

Short nameCryptoc Ag Bld Ql IA

ComponentCryptococcus sp Ag

PropertyPrThr

TimingPt

System (specimen)Bld

ScaleOrd

MethodIA

ClassMICRO

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.78

Last changed2.78

Consumer names

Cryptococcus sp antigen, Blood

Part names

Cryptococcus sp AgPrThrPtBldOrdIAPresence or ThresholdPoint in time (spot)BloodImmunoassay

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.