LOINCActiveObservation

LOINC Code 86552-7: Staff [#] who worked at facility at least one day from October 1 through March 31

86552-7 is a LOINC code used to identify Staff [#] who worked at facility at least one day from October 1 through March 31 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 worked at facility at least one day from October 1 through March 31. 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 worked at facility at least one day from October 1 through March 31. 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 worked at facility at least one day from October 1 through March 31
  • Staff who worked at facility at least one day from October 1 through March 31
  • The number of staff (employees on facility payroll) who worked at a healthcare facility for at least 1 day between October 1 and March 31. 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; i; Number; QNT; Quan; Quant; Quantitative; Report period; Staff worked 1D+ Oct 1 - Mar 31; 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 worked at facility at least one day from October 1 through March 31Staff who worked at facility at least one day from October 1 through March 31SURVEY.CDCNumRptPeriod{Setting}^PopulationQn

Frequently asked questions

Code details

Code86552-7
SystemLOINC
Display nameStaff [#] who worked at facility at least one day from October 1 through March 31
DescriptionStaff who worked at facility at least one day from October 1 through March 31
ComponentStaff who worked at facility at least one day from October 1 through March 31
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 changed2.61

Part names

Staff who worked at facility at least one day from October 1 through March 31NumRptPeriod{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.