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.

LOINCActiveObservation

LOINC Code 76439-9: Physical therapy referral source APTA

Name: LOINC Code 76439-9: Physical therapy referral source APTA
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:56.389Z

76439-9 is a LOINC code used to identify Physical therapy referral source APTA 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 Physical therapy referral source. 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 Physical therapy referral source. 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
Order vs observation: Observation
Method: APTA

What it does not mean

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

Key facts

Physical therapy referral source APTA
Physical therapy referral source
American Physical Therapy Association; Nominal; Physical Therapy; Point in time; PT; PT referral source; Random; Srce; Typ

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

Physical therapy referral source APTAPT referral source APTAPhysical therapy referral sourceAPTATypePt^Patient

Frequently asked questions

Code details

Code76439-9

SystemLOINC

Display namePhysical therapy referral source APTA

DescriptionPhysical therapy referral source

Short namePT referral source APTA

ComponentPhysical therapy referral source

PropertyType

TimingPt

System (specimen)^Patient

ScaleNom

MethodAPTA

ClassAPTA

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.52

Last changed2.54

Part names

Physical therapy referral sourceTypePt^PatientNomAPTAPoint in time (spot)American Physical Therapy Association

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.