LOINCActive

LOINC Code 61136-8: Start time Study

61136-8 is a LOINC code used to identify Start time Study 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 Start time. It is commonly used with the system or sample type Study.

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 Start time. It is commonly used with the system or sample type Study.

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

What it does not mean

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

Key facts

  • Start time Study
  • Start time
  • Date and time; Point in time; QNT; Quan; Quant; Quantitative; Random; Started; Test of Infant Motor Performance; Time stamp; Timestamp; TIMP

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

Start time StudyStart timeTIMPTmStpPtStudyQn

Frequently asked questions

Code details

Code61136-8
SystemLOINC
Display nameStart time Study
DescriptionStart time
ComponentStart time
PropertyTmStp
TimingPt
System (specimen)Study
ScaleQn
ClassTIMP
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.34
Last changed2.50

Part names

Start timeTmStpPtStudyQnTime 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 61136-8 | HealthAssure