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 30955-9: Vaccines given on same date as vaccine causing adverse event Set

Name: LOINC Code 30955-9: Vaccines given on same date as vaccine causing adverse event Set
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:17.662Z

30955-9 is a LOINC code used to identify Vaccines given on same date as vaccine causing adverse event Set 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 Vaccines given on same date as vaccine causing adverse event. It is commonly used with the system or sample type Vaccine.

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 Vaccines given on same date as vaccine causing adverse event. It is commonly used with the system or sample type Vaccine.

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
Panel type: Panel

What it does not mean

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

Key facts

Vaccines given on same date as vaccine causing adverse event Set
Vaccines given on same date as vaccine causing adverse event
AE; Arterial Stenosis; Complex; Point in time; Random; Vaccines same date as vaccine causing AE

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

Vaccines given on same date as vaccine causing adverse event SetVaccines same date as vaccine causing AEVaccines given on same date as vaccine causing adverse eventVACCINCmplxPtVaccine

Frequently asked questions

Code details

Code30955-9

SystemLOINC

Display nameVaccines given on same date as vaccine causing adverse event Set

DescriptionVaccines given on same date as vaccine causing adverse event

Short nameVaccines same date as vaccine causing AE

ComponentVaccines given on same date as vaccine causing adverse event

PropertyCmplx

TimingPt

System (specimen)Vaccine

ScaleSet

ClassVACCIN

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.04

Last changed2.27

Part names

Vaccines given on same date as vaccine causing adverse eventCmplxPtVaccineSetComplexPoint 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.