LOINCActiveObservation

LOINC Code 35286-4: Adverse event following prior vaccination [Complex] Sibling Set

35286-4 is a LOINC code used to identify Adverse event following prior vaccination [Complex] Sibling 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 Adverse event following prior vaccination. It is commonly used with the system or sample type Sibling.

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 Adverse event following prior vaccination. It is commonly used with the system or sample type Sibling.

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

  • Adverse event following prior vaccination [Complex] Sibling Set
  • Adverse event following prior vaccination
  • ^Sib; AE; AE p vaccine; Complex; Immunizations; Point in time; Random; 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

Adverse event following prior vaccination [Complex] Sibling SetAE p vaccine SibAdverse event following prior vaccinationVACCINCmplxPtSibling

Frequently asked questions

Code details

Code35286-4
SystemLOINC
Display nameAdverse event following prior vaccination [Complex] Sibling Set
DescriptionAdverse event following prior vaccination
Short nameAE p vaccine Sib
ComponentAdverse event following prior vaccination
PropertyCmplx
TimingPt
System (specimen)Sibling
ScaleSet
ClassVACCIN
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.12
Last changed2.27

Part names

Adverse event following prior vaccinationCmplxPtSiblingSetComplexPoint 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 35286-4 | HealthAssure