LOINCActiveBoth

LOINC Code 2015-6: Cancer Ag 72-4 Ql

2015-6 is a LOINC code used to identify Cancer Ag 72-4 Ql 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 Ser/Plas.

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 Ser/Plas.

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

  • Cancer Ag 72-4 [Presence] in Serum or Plasma
  • Cancer Ag 72-4
  • CA; CA 72-4; Cancer Ag72-4; Carbohydrate antigen; Carbohydrate antigen 72-4; Chemistry; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Tag-72; 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 QlCancer Ag 72-4 [Presence] in Serum or PlasmaCancer Ag72-4 SerPl QlCancer Ag 72-4CHEMCancer Ag 72-4, BloodPrThr

Frequently asked questions

Code details

Code2015-6
SystemLOINC
Display nameCancer Ag 72-4 Ql
DescriptionCancer Ag 72-4
Short nameCancer Ag72-4 SerPl Ql
ComponentCancer Ag 72-4
PropertyPrThr
TimingPt
System (specimen)Ser/Plas
ScaleOrd
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.73

Consumer names

Cancer Ag 72-4, Blood

Part names

Cancer Ag 72-4PrThrPtSer/PlasOrdPresence or ThresholdPoint in time (spot)Serum or Plasma

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 2015-6 | HealthAssure