LOINCActiveObservation

LOINC Code 91599-1: Emergency operations center activation level

91599-1 is a LOINC code used to identify Emergency operations center activation level 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 Emergency operations center activation level. It is commonly used with the system or sample type ^Event.

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 Emergency operations center activation level. It is commonly used with the system or sample type ^Event.

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

  • Emergency operations center activation level
  • The emergency operations center (EOC) activation level (status) based on those used in the 2017 FEMA National Incident Management System. Levels range from level 3 (normal operations/steady-state), level 2 (enhanced steady state/partial activation) and level 1 (full activation).
  • EOC activation level; Levels; Levl; LV; LVL; Ordinal; Point in time; Public Health; PUBLICHEALTH; Ql; Qual; Qualitative; Random; Screen; Typ

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

Emergency operations center activation levelEOC activation levelPUBLICHEALTHTypePt^EventOrd

Frequently asked questions

Code details

Code91599-1
SystemLOINC
Display nameEmergency operations center activation level
Short nameEOC activation level
ComponentEmergency operations center activation level
PropertyType
TimingPt
System (specimen)^Event
ScaleOrd
ClassPUBLICHEALTH
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.66
Last changed2.68

Part names

Emergency operations center activation levelTypePt^EventOrdPoint 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 91599-1 | HealthAssure