LOINCActive

LOINC Code 46580-7: Acute care hospitalization reason [OASIS]

46580-7 is a LOINC code used to identify Acute care hospitalization reason [OASIS] 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 Acute care hospitalization reason. 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 Acute care hospitalization reason. 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
  • Method: OASIS

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Acute care hospitalization reason [OASIS]
  • Acute care hospitalization reason
  • Identifies the urgency of the hospital admission.
  • Finding; Findings; Hospitalization hx; Ordinal; Outcome and assessment information set; Point in time; QL; Qual; Qualitative; Random; Screen; Survey; Survey.OASIS

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

Acute care hospitalization reason [OASIS]Acute care hospitalization reasonSURVEY.OASISFindPt^PatientOrd

Frequently asked questions

Code details

Code46580-7
SystemLOINC
Display nameAcute care hospitalization reason [OASIS]
DescriptionAcute care hospitalization reason
ComponentAcute care hospitalization reason
PropertyFind
TimingPt
System (specimen)^Patient
ScaleOrd
MethodOASIS
ClassSURVEY.OASIS
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.19
Last changed2.50

Part names

Acute care hospitalization reasonFindPt^PatientOrdOASISFindingPoint 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 46580-7 | HealthAssure