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 30897-3: Total Erythrocyte Volume Scint

Name: LOINC Code 30897-3: Total Erythrocyte Volume Scint
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:17.662Z

30897-3 is a LOINC code used to identify Total Erythrocyte Volume Scint 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 Erythrocyte volume. It is commonly used with the system or sample type ^Patient.

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 Erythrocyte volume. It is commonly used with the system or sample type ^Patient.

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: Radnuc

What it does not mean

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

Key facts

Total Erythrocyte Volume by Scintigraphy
Erythrocyte volume
Total circulating erythrocyte volume is determined using Chromium-51 (or other isotope) labeled red blood cells.
Chemistry; Discocyte; Erc; Erythrocytes; Nuclear medicine; Point in time; QNT; Quan; Quant; Quantitative; Radionuclide scan; Random; RBC; RCV; Red blood cell; Red blood cells; Red blood corpuscle; Red blood corpusles; Red cell; Red cells; RI; Scintigraphy; TRCV; Vol; Volume

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

Total Erythrocyte Volume ScintTotal Erythrocyte Volume by ScintigraphyRCV Vol RIErythrocyte volumeCHEMTotal red blood cell volumeVol

Frequently asked questions

Code details

Code30897-3

SystemLOINC

Display nameTotal Erythrocyte Volume Scint

DescriptionErythrocyte volume

Short nameRCV Vol RI

ComponentErythrocyte volume

PropertyVol

TimingPt

System (specimen)^Patient

ScaleQn

MethodRadnuc

ClassCHEM

Example unitsmL

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.04

Last changed2.56

Consumer names

Total red blood cell volume

Part names

Erythrocyte volumeVolPt^PatientQnRadnucTotal Erythrocyte VolumeVolumePoint 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.