What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINC

LOINC Code 64822-0: How many different times have you had laser treatment or surgery for diabetic eye disease [PhenX]

Name: LOINC Code 64822-0: How many different times have you had laser treatment or surgery for diabetic eye disease [PhenX]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:44.550Z

64822-0 is a LOINC code used to identify How many different times have you had laser treatment or surgery for diabetic eye disease [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 many different times have you had laser treatment or surgery for diabetic eye disease. 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 many different times have you had laser treatment or surgery for diabetic eye disease. 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 many different times have you had laser treatment or surgery for diabetic eye disease [PhenX]
How many different times have you had laser treatment or surgery for diabetic eye disease
Cnt; Count; Diabet retinop laser surg times; Dis; Diseases; Dz; Number; Point in time; QNT; Quan; Quant; Quantitative; Random; Surg; Tx

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 many different times have you had laser treatment or surgery for diabetic eye disease [PhenX]Diabet retinop laser surg times PhenXHow many different times have you had laser treatment or surgery for diabetic eye diseasePHENXNumPt^Patient

Frequently asked questions

Code details

Code64822-0

SystemLOINC

Display nameHow many different times have you had laser treatment or surgery for diabetic eye disease [PhenX]

DescriptionHow many different times have you had laser treatment or surgery for diabetic eye disease

Short nameDiabet retinop laser surg times PhenX

ComponentHow many different times have you had laser treatment or surgery for diabetic eye disease

PropertyNum

TimingPt

System (specimen)^Patient

ScaleQn

MethodPhenX

ClassPHENX

Example units#

StatusTRIAL

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.65

Part names

How many different times have you had laser treatment or surgery for diabetic eye diseaseNumPt^PatientQnPhenXNumber (count)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.