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LOINC Code 68923-2: Cancer Ag 125 Qn (Pericard fld)

68923-2 is a LOINC code used to identify Cancer Ag 125 Qn (Pericard fld) 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 125. It is commonly used with the system or sample type Pericard fld.

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 125. It is commonly used with the system or sample type Pericard fld.

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 125 [Units/volume] in Pericardial fluid
  • Cancer Ag 125
  • Arbitrary concentration; CA; CA 125; Cancer Ag125; Cancer antigen 125; Carbohydrate antigen; Carbohydrate antigen 125; Chemistry; Gyn; Gynecology; OB; ObGyn; Obstetrics; OC125; PCAR; Pericardial Fluid; Point in time; QNT; Quan; Quant; Quantitative; Random; 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 125 Qn (Pericard fld)Cancer Ag 125 [Units/volume] in Pericardial fluidCancer Ag125 Pcar-aCncCancer Ag 125CHEMCancer Ag 125, Pericardial fluidACnc

Frequently asked questions

Code details

Code68923-2
SystemLOINC
Display nameCancer Ag 125 Qn (Pericard fld)
DescriptionCancer Ag 125
Short nameCancer Ag125 Pcar-aCnc
ComponentCancer Ag 125
PropertyACnc
TimingPt
System (specimen)Pericard fld
ScaleQn
ClassCHEM
Example unitsarb U/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.70

Consumer names

Cancer Ag 125, Pericardial fluid

Part names

Cancer Ag 125ACncPtPericard fldQnArbitrary ConcentrationPoint in time (spot)Pericardial fluid

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.