LOINC

LOINC Code 64114-2: End of test time

64114-2 is a LOINC code used to identify End of test time 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 End of test time. 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 End of test time. 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

  • End of test time
  • Clock time; PhenX; Point in time; QNT; Quan; Quant; Quantitative; Random; Test time end

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

End of test timeTest time end Clock timePHENXClockTimePt^PatientQn

Frequently asked questions

Code details

Code64114-2
SystemLOINC
Display nameEnd of test time
Short nameTest time end Clock time
ComponentEnd of test time
PropertyClockTime
TimingPt
System (specimen)^Patient
ScaleQn
ClassPHENX
Example unitsclock time
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.65

Part names

End of test timeClockTimePt^PatientQnClock timePoint 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 64114-2 | HealthAssure