LOINCActiveObservation

LOINC Code 104812-3: Base excess (BldCoV) [Moles/Vol]

104812-3 is a LOINC code used to identify Base excess (BldCoV) [Moles/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 Base excess. It is commonly used with the system or sample type BldCoV.

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 Base excess. It is commonly used with the system or sample type BldCoV.

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

  • Base excess in Venous cord blood
  • Base excess
  • A base excess in venous cord blood used as a parent code for those with pre-coordinated methods.
  • Base ex; BE; Bld cord; BSE; Chemistry; Cord BldV; Cord venous blood; EXS; Level; Point in time; QNT; Quan; Quant; Quantitative; Random; Substance concentration

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

Base excess (BldCoV) [Moles/Vol]Base excess in Venous cord bloodBase excess BldCoV-sCncBase excessCHEMBase excess, Venous cord bloodSCnc

Frequently asked questions

Code details

Code104812-3
SystemLOINC
Display nameBase excess (BldCoV) [Moles/Vol]
DescriptionBase excess
Short nameBase excess BldCoV-sCnc
ComponentBase excess
PropertySCnc
TimingPt
System (specimen)BldCoV
ScaleQn
ClassCHEM
Example unitsmmol/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.78
Last changed2.78

Consumer names

Base excess, Venous cord blood

Part names

Base excessSCncPtBldCoVQnSubstance ConcentrationPoint in time (spot)Blood cord venous

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 104812-3 | HealthAssure