LOINCActive

LOINC Code 67540-5: Response to medication NEMSIS

67540-5 is a LOINC code used to identify Response to medication NEMSIS 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 Response to medication. 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 Response to medication. 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: NEMSIS

What it does not mean

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

Key facts

  • Response to medication NEMSIS
  • Response to medication
  • Finding; Findings; National EMS Information Services; Nominal; 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

Response to medication NEMSISResponse to med NEMSISResponse to medicationNEMSISFindPt^Patient

Frequently asked questions

Code details

Code67540-5
SystemLOINC
Display nameResponse to medication NEMSIS
DescriptionResponse to medication
Short nameResponse to med NEMSIS
ComponentResponse to medication
PropertyFind
TimingPt
System (specimen)^Patient
ScaleNom
MethodNEMSIS
ClassNEMSIS
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.50

Part names

Response to medicationFindPt^PatientNomNEMSISFindingPoint in time (spot)National EMS Information Services

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 67540-5 | HealthAssure