LOINCActiveBoth

LOINC Code 2014-9: Cancer Ag 549 Ql

2014-9 is a LOINC code used to identify Cancer Ag 549 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 549. 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 549. 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 549 [Presence] in Serum or Plasma
  • Cancer Ag 549
  • CA; CA 549; Cancer Ag549; Carbohydrate antigen; Carbohydrate antigen 549; Chemistry; MUC-1 gene associated AG CA-549; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; 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 549 QlCancer Ag 549 [Presence] in Serum or PlasmaCancer Ag549 SerPl QlCancer Ag 549CHEMCancer Ag 549, BloodPrThr

Frequently asked questions

Code details

Code2014-9
SystemLOINC
Display nameCancer Ag 549 Ql
DescriptionCancer Ag 549
Short nameCancer Ag549 SerPl Ql
ComponentCancer Ag 549
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 changed2.56

Consumer names

Cancer Ag 549, Blood

Part names

Cancer Ag 549PrThrPtSer/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 2014-9 | HealthAssure