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.

LOINCActiveObservation

LOINC Code 97546-6: Base excess Calc (BldCV) [Moles/Vol]

Name: LOINC Code 97546-6: Base excess Calc (BldCV) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:29.659Z

97546-6 is a LOINC code used to identify Base excess Calc (BldCV) [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 BldCV.

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 BldCV.

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
Method: Calculated

What it does not mean

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

Key facts

Base excess in Central venous blood by calculation
Base excess
Base excess refers to the amount of a strong acid required to bring back the blood pH to the normal value of 7.4. There are several different ways to calculate the base excess; formula listed for this term is representative.
Base ex; BE; BSE; Calc; Calculation; Chemistry; 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 Calc (BldCV) [Moles/Vol]Base excess in Central venous blood by calculationBase excess BldCV Calc-sCncBase excessCHEMBase excess, BloodSCnc

Frequently asked questions

Code details

Code97546-6

SystemLOINC

Display nameBase excess Calc (BldCV) [Moles/Vol]

DescriptionBase excess

Short nameBase excess BldCV Calc-sCnc

ComponentBase excess

PropertySCnc

TimingPt

System (specimen)BldCV

ScaleQn

MethodCalculated

ClassCHEM

Example unitsmmol/L

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.70

Last changed2.70

Consumer names

Base excess, Blood

Part names

Base excessSCncPtBldCVQnCalculatedSubstance ConcentrationPoint in time (spot)Blood central 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.