LOINCActive

LOINC Code 52011-4: Ambulance transport, Other patient identifier

52011-4 is a LOINC code used to identify Ambulance transport, Other patient identifier 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 Other patient identifier. It is commonly used with the system or sample type Ambulance transport.

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 Other patient identifier. It is commonly used with the system or sample type Ambulance transport.

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

What it does not mean

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

Key facts

  • Ambulance transport, Other patient identifier
  • Other patient identifier
  • ATTACH; ATTACH.AMB; Ident; Identifier; Nominal; Othr; Point in time; Random

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

Ambulance transport, Other patient identifierOther patient identifierATTACH.AMBIDPtAmbulance transportNom

Frequently asked questions

Code details

Code52011-4
SystemLOINC
Display nameAmbulance transport, Other patient identifier
DescriptionOther patient identifier
ComponentOther patient identifier
PropertyID
TimingPt
System (specimen)Ambulance transport
ScaleNom
ClassATTACH.AMB
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.24
Last changed2.24

Part names

Other patient identifierIDPtAmbulance transportNomIdentifierPoint 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 52011-4 | HealthAssure