What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCObservation

LOINC Code 104728-1: Base excess standard (BldV) [Moles/Vol]

Name: LOINC Code 104728-1: Base excess standard (BldV) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.129Z

104728-1 is a LOINC code used to identify Base excess standard (BldV) [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^^standard. It is commonly used with the system or sample type BldV.

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^^standard. It is commonly used with the system or sample type BldV.

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: DEPRECATED
Order vs observation: Observation

What it does not mean

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

Key facts

Deprecated Base excess standard in Venous blood
Base excess^^standard
Base ex; BE; Bld ven; Bld venous; Blood - venous; Blood ven; Blood venus; BSE; Chemistry; EXS; Level; Point in time; QNT; Quan; Quant; Quantitative; Random; SBE; std; Substance Concentration; Venous

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 standard (BldV) [Moles/Vol]Deprecated Base excess standard in Venous bloodDeprecated Base excess std BldV-sCncBase excess^^standardCHEMBase excess Standard, BloodSCnc

Frequently asked questions

Code details

Code104728-1

SystemLOINC

Display nameBase excess standard (BldV) [Moles/Vol]

DescriptionBase excess^^standard

Short nameDeprecated Base excess std BldV-sCnc

ComponentBase excess^^standard

PropertySCnc

TimingPt

System (specimen)BldV

ScaleQn

ClassCHEM

Example unitsmmol/L

StatusDEPRECATED

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.78

Last changed2.79

Consumer names

Base excess Standard, Blood

Part names

Base excess^^standardSCncPtBldVQnSubstance ConcentrationPoint in time (spot)Blood 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.