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.

LOINCActive

LOINC Code 43252-6: Residual volume/Total capacity Predicted

Name: LOINC Code 43252-6: Residual volume/Total capacity Predicted
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:28.587Z

43252-6 is a LOINC code used to identify Residual volume/Total capacity Predicted 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 Volume.residual/Capacity.total. It is commonly used with the system or sample type Respiratory system.

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 Volume.residual/Capacity.total. It is commonly used with the system or sample type Respiratory system.

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
Method: Predicted

What it does not mean

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

Key facts

Residual volume/Total capacity Predicted
Volume.residual/Capacity.total
Breathing; Lung; Lungs; Percent; Point in time; PULMONARY; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Residual vol; Respiratory; RS; RV; TC; TLC; Tot; Total capacity; Totl; Vol; Volfr; Volume fraction

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

Residual volume/Total capacity PredictedResidual vol/Total capacity PredictedVolume.residual/Capacity.totalPULMVFrPtRespiratory system

Frequently asked questions

Code details

Code43252-6

SystemLOINC

Display nameResidual volume/Total capacity Predicted

DescriptionVolume.residual/Capacity.total

Short nameResidual vol/Total capacity Predicted

ComponentVolume.residual/Capacity.total

PropertyVFr

TimingPt

System (specimen)Respiratory system

ScaleQn

MethodPredicted

ClassPULM

Example units%

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.73

Part names

Volume.residual/Capacity.totalVFrPtRespiratory systemQnPredictedVolume FractionPoint 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.