LOINCActiveBoth

LOINC Code 28078-4: Bladder tumor Ag IA Ql (U)

28078-4 is a LOINC code used to identify Bladder tumor Ag IA Ql (U) 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 Bladder tumor Ag. It is commonly used with the system or sample type Urine.

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 Bladder tumor Ag. It is commonly used with the system or sample type Urine.

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: IA

What it does not mean

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

Key facts

  • Bladder tumor Ag [Presence] in Urine by Immunoassay
  • Bladder tumor Ag
  • Antigen; Antigens; BT; BTA; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; MEIA; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; SUDS; Tumor marker; UA; UR; Urn

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

Bladder tumor Ag IA Ql (U)Bladder tumor Ag [Presence] in Urine by ImmunoassayBladder tumor Ag Ur Ql IABladder tumor AgSEROBladder tumor antigen, UrinePrThr

Frequently asked questions

Code details

Code28078-4
SystemLOINC
Display nameBladder tumor Ag IA Ql (U)
DescriptionBladder tumor Ag
Short nameBladder tumor Ag Ur Ql IA
ComponentBladder tumor Ag
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
MethodIA
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.73

Consumer names

Bladder tumor antigen, Urine

Part names

Bladder tumor AgPrThrPtUrineOrdIAPresence or ThresholdPoint in time (spot)Immunoassay

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 28078-4 | HealthAssure