LOINCActiveObservation

LOINC Code 30948-4: Vaccination adverse event Narrative

30948-4 is a LOINC code used to identify Vaccination adverse event Narrative 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 Vaccination adverse event. 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 Vaccination adverse event. 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

  • Vaccination adverse event Narrative
  • Vaccination adverse event
  • Description of adverse event(s)(symptoms, signs, time course) and treatment, if any.
  • AE; Finding; Findings; Immunizations; Narrative; Point in time; Random; Report; Vaccination AE; 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

Vaccination adverse event NarrativeVaccination AEVaccination adverse eventVACCINFindPt^Patient

Frequently asked questions

Code details

Code30948-4
SystemLOINC
Display nameVaccination adverse event Narrative
DescriptionVaccination adverse event
Short nameVaccination AE
ComponentVaccination adverse event
PropertyFind
TimingPt
System (specimen)^Patient
ScaleNar
ClassVACCIN
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.40

Part names

Vaccination adverse eventFindPt^PatientNarFindingPoint 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 30948-4 | HealthAssure