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.

LOINC

LOINC Code 71340-4: Deprecated Time between hemodialysis sessons [ESRD]

Name: LOINC Code 71340-4: Deprecated Time between hemodialysis sessons [ESRD]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:50.623Z

71340-4 is a LOINC code used to identify Deprecated Time between hemodialysis sessons [ESRD] 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 Time between hemodialysis sessons. 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 Time between hemodialysis sessons. 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: DEPRECATED
Method: ESRD

What it does not mean

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

Key facts

Deprecated Time between hemodialysis sessons [ESRD]
Time between hemodialysis sessons
Indicates the time in days, hours and minutes from the end of the last Hemodialysis session to the beginning of the current Hemodialysis session
End Stage Renal Disease; ESRD survey; Interdialytic interval; Point in time; QNT; Quan; Quant; Quantitative; Random; Survey

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

Deprecated Time between hemodialysis sessons [ESRD]Time between hemodialysis sessonsSURVEY.ESRDTimePt^PatientQn

Frequently asked questions

Code details

Code71340-4

SystemLOINC

Display nameDeprecated Time between hemodialysis sessons [ESRD]

DescriptionTime between hemodialysis sessons

ComponentTime between hemodialysis sessons

PropertyTime

TimingPt

System (specimen)^Patient

ScaleQn

MethodESRD

ClassSURVEY.ESRD

Example unitsdays

StatusDEPRECATED

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.40

Last changed2.70

Part names

Time between hemodialysis sessonsTimePt^PatientQnESRDTime (e.g. seconds)Point in time (spot)End Stage Renal Disease

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.