LOINCActiveObservation

LOINC Code 30952-6: Date and time of vaccination

30952-6 is a LOINC code used to identify Date and time of vaccination 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 of vaccination. 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 Date and time of vaccination. 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: 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 of vaccination
  • Date and time; Date+time; Date+time of vaccination; Immunizations; Point in time; QNT; Quan; Quant; Quantitative; Random; Time stamp; Timestamp; Vaccine

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 of vaccinationDate+time of vaccinationVACCINTmStpPt^PatientQn

Frequently asked questions

Code details

Code30952-6
SystemLOINC
Display nameDate and time of vaccination
Short nameDate+time of vaccination
ComponentDate and time of vaccination
PropertyTmStp
TimingPt
System (specimen)^Patient
ScaleQn
ClassVACCIN
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.56

Part names

Date and time of vaccinationTmStpPt^PatientQnTime 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 30952-6 | HealthAssure