LOINCActiveBoth

LOINC Code 29533-7: Cryptococcus sp Ag Ql (Specimen)

29533-7 is a LOINC code used to identify Cryptococcus sp Ag 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

What it does not mean

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

Key facts

  • Cryptococcus sp Ag [Presence] in Specimen
  • Cryptococcus sp Ag
  • Antigen; Antigens; Crypt; Crypto; Cryptococcal; Cryptococcosis; Cryptococcosus; ID; Infectious Disease; InfectiousDisease; 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; UniversalLabOrders; 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 Ql (Specimen)Cryptococcus sp Ag [Presence] in SpecimenCryptoc Ag Spec QlCryptococcus sp AgMICROCryptococcus sp antigen, SpecimenPrThr

Frequently asked questions

Code details

Code29533-7
SystemLOINC
Display nameCryptococcus sp Ag Ql (Specimen)
DescriptionCryptococcus sp Ag
Short nameCryptoc Ag Spec Ql
ComponentCryptococcus sp Ag
PropertyPrThr
TimingPt
System (specimen)XXX
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.03
Last changed2.73

Consumer names

Cryptococcus sp antigen, Specimen

Part names

Cryptococcus sp AgPrThrPtXXXOrdPresence or ThresholdPoint in time (spot)

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 29533-7 | HealthAssure