LOINCActiveBoth

LOINC Code 43228-6: Cryptococcus sp Ag LA Ql (Specimen)

43228-6 is a LOINC code used to identify Cryptococcus sp Ag LA Ql (Specimen) 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 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 Cryptococcus sp Ag. 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: LA

What it does not mean

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

Key facts

  • Cryptococcus sp Ag [Presence] in Specimen by Latex agglutination
  • Cryptococcus sp Ag
  • Antigen; Antigens; Crypt; Crypto; Cryptococcal; Cryptococcosis; Cryptococcosus; ID; Infectious Disease; InfectiousDisease; LAT; Latex agglutination; Microbiology; Misc; Miscellaneous; Ordinal; Other; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spec; species; spp; To be specified in another part of the message; Unspecified

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 LA Ql (Specimen)Cryptococcus sp Ag [Presence] in Specimen by Latex agglutinationCryptoc Ag Spec Ql LACryptococcus sp AgMICROCryptococcus sp antigen, SpecimenPrThr

Frequently asked questions

Code details

Code43228-6
SystemLOINC
Display nameCryptococcus sp Ag LA Ql (Specimen)
DescriptionCryptococcus sp Ag
Short nameCryptoc Ag Spec Ql LA
ComponentCryptococcus sp Ag
PropertyPrThr
TimingPt
System (specimen)XXX
ScaleOrd
MethodLA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.73

Consumer names

Cryptococcus sp antigen, Specimen

Part names

Cryptococcus sp AgPrThrPtXXXOrdLAPresence or ThresholdPoint in time (spot)Latex agglutination

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 43228-6 | HealthAssure