LOINCActive

LOINC Code 65831-0: How long ago did you have the most recent attack [CIDI-SF]

65831-0 is a LOINC code used to identify How long ago did you have the most recent attack [CIDI-SF] 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 How long ago did you have the most recent attack. 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 How long ago did you have the most recent attack. 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: CIDI-SF

What it does not mean

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

Key facts

  • How long ago did you have the most recent attack [CIDI-SF]
  • How long ago did you have the most recent attack
  • Panic most recent attack; PhenX; Point in time; QNT; Quan; Quant; Quantitative; 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

How long ago did you have the most recent attack [CIDI-SF]Panic most recent attack CIDI-SFHow long ago did you have the most recent attackPHENXTimePt^Patient

Frequently asked questions

Code details

Code65831-0
SystemLOINC
Display nameHow long ago did you have the most recent attack [CIDI-SF]
DescriptionHow long ago did you have the most recent attack
Short namePanic most recent attack CIDI-SF
ComponentHow long ago did you have the most recent attack
PropertyTime
TimingPt
System (specimen)^Patient
ScaleQn
MethodCIDI-SF
ClassPHENX
Example unitsmo
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.65

Part names

How long ago did you have the most recent attackTimePt^PatientQnCIDI-SFTime (e.g. seconds)Point 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.