LOINC

LOINC Code 66273-4: What two days do you consider your weekend days [PhenX]

66273-4 is a LOINC code used to identify What two days do you consider your weekend days [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 What two Ds do you consider your weekend Ds. 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 What two Ds do you consider your weekend Ds. 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

  • What two days do you consider your weekend days [PhenX]
  • What two Ds do you consider your weekend Ds
  • 2; Nominal; Point in time; Random; Typ; What Ds weekend

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

What two days do you consider your weekend days [PhenX]What Ds weekend PhenXWhat two Ds do you consider your weekend DsPHENXTypePt^Patient

Frequently asked questions

Code details

Code66273-4
SystemLOINC
Display nameWhat two days do you consider your weekend days [PhenX]
DescriptionWhat two Ds do you consider your weekend Ds
Short nameWhat Ds weekend PhenX
ComponentWhat two Ds do you consider your weekend Ds
PropertyType
TimingPt
System (specimen)^Patient
ScaleNom
MethodPhenX
ClassPHENX
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

What two Ds do you consider your weekend DsTypePt^PatientNomPhenXWhat two days do you consider your weekend daysPoint 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 66273-4 | HealthAssure