LOINCActiveObservation

LOINC Code 90063-9: Date and time task assigned

90063-9 is a LOINC code used to identify Date and time task assigned 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 Date and time task assigned. It is commonly used with the system or sample type ^Event.

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 Date and time task assigned. It is commonly used with the system or sample type ^Event.

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: ACTIVE
  • Order vs observation: Observation

What it does not mean

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

Key facts

  • Date and time task assigned
  • Date and time when a task was assigned.
  • ADMIN; D/T task assigned; Date and time; Date+time; Point in time; QNT; Quan; Quant; Quantitative; Random; Time stamp; Timestamp

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

Date and time task assignedD/T task assignedADMINTmStpPt^EventQn

Frequently asked questions

Code details

Code90063-9
SystemLOINC
Display nameDate and time task assigned
Short nameD/T task assigned
ComponentDate and time task assigned
PropertyTmStp
TimingPt
System (specimen)^Event
ScaleQn
ClassADMIN
Example unitsTmStp
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.65
Last changed2.68

Part names

Date and time task assignedTmStpPt^EventQnTime Stamp (Date and Time)Point 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 90063-9 | HealthAssure