LOINCActiveBoth

LOINC Code 22948-4: Brucella sp Ag Immune stain Ql (Tiss fetus)

22948-4 is a LOINC code used to identify Brucella sp Ag Immune stain Ql (Tiss fetus) 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 Brucella sp Ag. It is commonly used with the system or sample type Tiss^Fetus.

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 Brucella sp Ag. It is commonly used with the system or sample type Tiss^Fetus.

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: Immune stain

What it does not mean

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

Key facts

  • Brucella sp Ag [Presence] in Tissue from Fetus by Immune stain
  • Brucella sp Ag
  • Antigen; Antigens; Bruc; Brucellosis; Fetal; Gyn; Gynecology; ID; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; Infectious Disease; InfectiousDisease; Microbiology; OB; ObGyn; Obstetrics; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; species; spp; St; Stains; Stn; Tissue; Tissue, 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

Brucella sp Ag Immune stain Ql (Tiss fetus)Brucella sp Ag [Presence] in Tissue from Fetus by Immune stainBrucella Ag Tiss Fetus Ql ImStnBrucella sp AgMICROFetal Brucella sp antigenPrThr

Frequently asked questions

Code details

Code22948-4
SystemLOINC
Display nameBrucella sp Ag Immune stain Ql (Tiss fetus)
DescriptionBrucella sp Ag
Short nameBrucella Ag Tiss Fetus Ql ImStn
ComponentBrucella sp Ag
PropertyPrThr
TimingPt
System (specimen)Tiss^Fetus
ScaleOrd
MethodImmune stain
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0n
Last changed2.56

Consumer names

Fetal Brucella sp antigen

Part names

Brucella sp AgPrThrPtTiss^fetusOrdImmune stainPresence 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.