LOINCActiveObservation

LOINC Code 86555-0: Staff [#] who had a medical contraindication to the influenza vaccine

86555-0 is a LOINC code used to identify Staff [#] who had a medical contraindication to the influenza vaccine 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 Staff who had a medical contraindication to the influenza vaccine. It is commonly used with the system or sample type {Setting}^Population.

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 Staff who had a medical contraindication to the influenza vaccine. It is commonly used with the system or sample type {Setting}^Population.

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

  • Staff [#] who had a medical contraindication to the influenza vaccine
  • Staff who had a medical contraindication to the influenza vaccine
  • The number of staff (employees on facility payroll) at the healthcare facility who have a medical contraindication to the influenza vaccine. This term was created for, but not limited in use to, the Centers for Disease Control and Prevention (CDC) National Healthcare Safety Network (NHSN) surveillance for healthcare personnel vaccinations.
  • Cnt; Count; Number; QNT; Quan; Quant; Quantitative; Report period; Staff med contraindication to flu vacc; Survey; SURVEY.CDC; World Heatlth Organization

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

Staff [#] who had a medical contraindication to the influenza vaccineStaff who had a medical contraindication to the influenza vaccineSURVEY.CDCNumRptPeriod{Setting}^PopulationQn

Frequently asked questions

Code details

Code86555-0
SystemLOINC
Display nameStaff [#] who had a medical contraindication to the influenza vaccine
DescriptionStaff who had a medical contraindication to the influenza vaccine
ComponentStaff who had a medical contraindication to the influenza vaccine
PropertyNum
TimingRptPeriod
System (specimen){Setting}^Population
ScaleQn
ClassSURVEY.CDC
Example units#
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.61
Last changed2.65

Part names

Staff who had a medical contraindication to the influenza vaccineNumRptPeriod{Setting}^PopulationQnNumber (count)Reporting Period

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.