What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 30946-8: Date.vaccination contraindication/precaution effective

Name: LOINC Code 30946-8: Date.vaccination contraindication/precaution effective
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:17.662Z

30946-8 is a LOINC code used to identify Date.vaccination contraindication/precaution effective 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.vaccination contraindication &or precaution effective. 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.vaccination contraindication &or precaution effective. 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.vaccination contraindication/precaution effective
Date.vaccination contraindication &or precaution effective
Date that the precaution was noted, or if reaction to DPT it would be date last given.
Date vaccine contra/precaution effective; Immunizations; Point in time; QNT; Quan; Quant; Quantitative; Random; Vaccination contraindication/precaution; 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.vaccination contraindication/precaution effectiveDate vaccine contra/precaution effectiveDate.vaccination contraindication &or precaution effectiveVACCINDatePt^Patient

Frequently asked questions

Code details

Code30946-8

SystemLOINC

Display nameDate.vaccination contraindication/precaution effective

DescriptionDate.vaccination contraindication &or precaution effective

Short nameDate vaccine contra/precaution effective

ComponentDate.vaccination contraindication &or precaution effective

PropertyDate

TimingPt

System (specimen)^Patient

ScaleQn

ClassVACCIN

Example unitsMMDDYY

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.04

Last changed2.50

Part names

Date.vaccination contraindication &or precaution effectiveDatePt^PatientQnDate.vaccination contraindication/precaution effectivePoint 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.