LOINCActiveObservation

LOINC Code 107558-9: Carcinoembryonic Ag (Drain) [Mass/Vol]

107558-9 is a LOINC code used to identify Carcinoembryonic Ag (Drain) [Mass/Vol] 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 Carcinoembryonic Ag. It is commonly used with the system or sample type Drain.

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 Carcinoembryonic Ag. It is commonly used with the system or sample type Drain.

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: Observation

What it does not mean

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

Key facts

  • Carcinoembryonic Ag [Mass/volume] in Drain
  • Carcinoembryonic Ag
  • Antigen; Antigens; CEA; Chemistry; Drn; Level; Mass concentration; 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

Carcinoembryonic Ag (Drain) [Mass/Vol]Carcinoembryonic Ag [Mass/volume] in DrainCEA Drain-mCncCarcinoembryonic AgCHEMCarcinoembryonic antigen, DrainMCnc

Frequently asked questions

Code details

Code107558-9
SystemLOINC
Display nameCarcinoembryonic Ag (Drain) [Mass/Vol]
DescriptionCarcinoembryonic Ag
Short nameCEA Drain-mCnc
ComponentCarcinoembryonic Ag
PropertyMCnc
TimingPt
System (specimen)Drain
ScaleQn
ClassCHEM
Example unitsug/uL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.81
Last changed2.81

Consumer names

Carcinoembryonic antigen, Drain

Part names

Carcinoembryonic AgMCncPtDrainQnMass ConcentrationPoint in time (spot)

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 107558-9 | HealthAssure