LOINC

LOINC Code 64185-2: Was hay fever confirmed by a doctor [PhenX]

64185-2 is a LOINC code used to identify Was hay fever confirmed by a doctor [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 Was hay fever confirmed by a doctor. 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 Was hay fever confirmed by a doctor. 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

  • Was hay fever confirmed by a doctor [PhenX]
  • Was hay fever confirmed by a doctor
  • Finding; Findings; Hay fever Dr confirmed; 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

Was hay fever confirmed by a doctor [PhenX]Hay fever Dr confirmed PhenXWas hay fever confirmed by a doctorPHENXFindPt^Patient

Frequently asked questions

Code details

Code64185-2
SystemLOINC
Display nameWas hay fever confirmed by a doctor [PhenX]
DescriptionWas hay fever confirmed by a doctor
Short nameHay fever Dr confirmed PhenX
ComponentWas hay fever confirmed by a doctor
PropertyFind
TimingPt
System (specimen)^Patient
ScaleOrd
MethodPhenX
ClassPHENX
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Was hay fever confirmed by a doctorFindPt^PatientOrdPhenXFindingPoint 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.