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 73570-4: Testosterone/Epitestosterone Ql (U) [Interp]

Name: LOINC Code 73570-4: Testosterone/Epitestosterone Ql (U) [Interp]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

73570-4 is a LOINC code used to identify Testosterone/Epitestosterone Ql (U) [Interp] 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 Testosterone/Epitestosterone. It is commonly used with the system or sample type Urine.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Testosterone/Epitestosterone. It is commonly used with the system or sample type Urine.

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

What it does not mean

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

Key facts

Testosterone/Epitestosterone [Interpretation] in Urine Qualitative

Testosterone/Epitestosterone

The interpretation (this code) for the ratio of testosterone to epitestosterone [LOINC31030-0] should ideally be reported in the interpretation field of a messaging system, for example HL7 OBX-8.

Chemistry; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Testo; Testos; Testost; UA; UR; Urn

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Testosterone/Epitestosterone Ql (U) [Interp] (73570-4)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Testosterone/Epitestosterone Ql (U) [Interp]Testosterone/Epitestosterone [Interpretation] in Urine QualitativeTestost/Epitestost Ur-ImpTestosterone/EpitestosteroneCHEMTestosterone/Epitestosterone, UrineImp

Frequently asked questions

Code details

Code73570-4

SystemLOINC

Display nameTestosterone/Epitestosterone Ql (U) [Interp]

DescriptionTestosterone/Epitestosterone

Short nameTestost/Epitestost Ur-Imp

ComponentTestosterone/Epitestosterone

PropertyImp

TimingPt

System (specimen)Urine

ScaleOrd

ClassCHEM

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.44

Last changed2.73

Consumer names

Testosterone/Epitestosterone, Urine

Part names

Testosterone/EpitestosteroneImpPtUrineOrdImpression/interpretation of studyPoint 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.