LOINC

LOINC Code 66294-0: Hours sitting each day in this situation [PhenX]

66294-0 is a LOINC code used to identify Hours sitting each day in this situation [PhenX] 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 H sitting each D in this situation. 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 H sitting each D in this situation. 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
  • Method: PhenX

What it does not mean

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

Key facts

  • Hours sitting each day in this situation [PhenX]
  • H sitting each D in this situation
  • Count/time; Dextro; nRate; Number rate; Number Rate = Count/Time; Point in time; QNT; Quan; Quant; Quantitative; Random; Sitting H per D

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

Hours sitting each day in this situation [PhenX]Sitting H per D nRate PhenXH sitting each D in this situationPHENXNRatPt^Patient

Frequently asked questions

Code details

Code66294-0
SystemLOINC
Display nameHours sitting each day in this situation [PhenX]
DescriptionH sitting each D in this situation
Short nameSitting H per D nRate PhenX
ComponentH sitting each D in this situation
PropertyNRat
TimingPt
System (specimen)^Patient
ScaleQn
MethodPhenX
ClassPHENX
Example unitsHHMM
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.65

Part names

H sitting each D in this situationNRatPt^PatientQnPhenXHours sitting each day in this situationNumber 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 66294-0 | HealthAssure