LOINC

LOINC Code 67424-2: How often do you generally have attacks [PhenX]

67424-2 is a LOINC code used to identify How often do you generally have attacks [PhenX] 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 often do you generally have attacks. 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 often do you generally have attacks. 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: TRIAL
  • Method: PhenX

What it does not mean

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

Key facts

  • How often do you generally have attacks [PhenX]
  • How often do you generally have attacks
  • Count/time; Migraine freq; nRate; Number rate; Number Rate = Count/Time; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen

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 often do you generally have attacks [PhenX]Migraine freq PhenXHow often do you generally have attacksPHENXNRatPt^Patient

Frequently asked questions

Code details

Code67424-2
SystemLOINC
Display nameHow often do you generally have attacks [PhenX]
DescriptionHow often do you generally have attacks
Short nameMigraine freq PhenX
ComponentHow often do you generally have attacks
PropertyNRat
TimingPt
System (specimen)^Patient
ScaleOrd
MethodPhenX
ClassPHENX
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.65

Part names

How often do you generally have attacksNRatPt^PatientOrdPhenXNumber RatePoint 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 67424-2 | HealthAssure