LOINC

LOINC Code 68489-4: Dialysis hours per session

68489-4 is a LOINC code used to identify Dialysis hours per session 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 Dialysis Hs per session. 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 Dialysis Hs per session. 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: TRIAL

What it does not mean

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

Key facts

  • Dialysis hours per session
  • Dialysis Hs per session
  • Count/time; Dialy; Dialysis H per session; ESRD; ESRD survey; nRate; Number rate; Number Rate = Count/Time; 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

Dialysis hours per sessionDialysis Hs per sessionSURVEY.ESRDNRatPt^PatientQn

Frequently asked questions

Code details

Code68489-4
SystemLOINC
Display nameDialysis hours per session
DescriptionDialysis Hs per session
ComponentDialysis Hs per session
PropertyNRat
TimingPt
System (specimen)^Patient
ScaleQn
ClassSURVEY.ESRD
Example unitshours/session
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.48

Part names

Dialysis Hs per sessionNRatPt^PatientQnDialysis hours per sessionNumber RatePoint 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.

LOINC Code 68489-4 | HealthAssure