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LOINC Code 47012-0: Cancer Ag 72-4 Immune stain Ql (Tiss)

47012-0 is a LOINC code used to identify Cancer Ag 72-4 Immune stain Ql (Tiss) 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 Cancer Ag 72-4. It is commonly used with the system or sample type Tiss.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Cancer Ag 72-4. It is commonly used with the system or sample type Tiss.

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

  • Cancer Ag 72-4 [Presence] in Tissue by Immune stain
  • Cancer Ag 72-4
  • CA; CA 72-4; Cancer Ag72-4; Carbohydrate antigen; Carbohydrate antigen 72-4; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; Ordinal; PATHOLOGY; Point in time; PR; QL; Qual; Qualitative; Random; Screen; St; Stains; Stn; Tag-72; Tissue; Tissue, unspecified; Tumor marker

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

Cancer Ag 72-4 Immune stain Ql (Tiss)Cancer Ag 72-4 [Presence] in Tissue by Immune stainCancer Ag72-4 Tiss Ql ImStnCancer Ag 72-4PATHCancer Ag 72-4, TissuePrThr

Frequently asked questions

Code details

Code47012-0
SystemLOINC
Display nameCancer Ag 72-4 Immune stain Ql (Tiss)
DescriptionCancer Ag 72-4
Short nameCancer Ag72-4 Tiss Ql ImStn
ComponentCancer Ag 72-4
PropertyPrThr
TimingPt
System (specimen)Tiss
ScaleOrd
MethodImmune stain
ClassPATH
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.19
Last changed2.56

Consumer names

Cancer Ag 72-4, Tissue

Part names

Cancer Ag 72-4PrThrPtTissOrdImmune stainPresence or ThresholdPoint in time (spot)Tissue and Smears

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.