LOINC

LOINC Code 65612-4: How frequently do you experience insomnia [PhenX]

65612-4 is a LOINC code used to identify How frequently do you experience insomnia [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 frequently do you experience insomnia. 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 frequently do you experience insomnia. 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 frequently do you experience insomnia [PhenX]
  • How frequently do you experience insomnia
  • Count/time; Insomnia freq; nRate; Number rate; Number Rate = Count/Time; 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 frequently do you experience insomnia [PhenX]Insomnia freq nRate PhenXHow frequently do you experience insomniaPHENXNRatPt^Patient

Frequently asked questions

Code details

Code65612-4
SystemLOINC
Display nameHow frequently do you experience insomnia [PhenX]
DescriptionHow frequently do you experience insomnia
Short nameInsomnia freq nRate PhenX
ComponentHow frequently do you experience insomnia
PropertyNRat
TimingPt
System (specimen)^Patient
ScaleQn
MethodPhenX
ClassPHENX
Example units/wk
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

How frequently do you experience insomniaNRatPt^PatientQnPhenXNumber 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 65612-4 | HealthAssure