LOINCActiveBoth

LOINC Code 106971-5: 4-Hydroxytestosterone Gas chromatography-mass spectrometry Ql (U)

106971-5 is a LOINC code used to identify 4-Hydroxytestosterone Gas chromatography-mass spectrometry Ql (U) 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 4-Hydroxytestosterone. It is commonly used with the system or sample type Urine.

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 4-Hydroxytestosterone. 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: Both
  • Method: GC-MS

What it does not mean

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

Key facts

  • 4-Hydroxytestosterone [Presence] in Urine by Gas chromatography-mass spectrometry
  • 4-Hydroxytestosterone
  • DRUG/TOXICOLOGY; Drugs; Gas chromatography; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; 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.

Common synonyms

4-Hydroxytestosterone Gas chromatography-mass spectrometry Ql (U)4-Hydroxytestosterone [Presence] in Urine by Gas chromatography-mass spectrometry4-Hydroxytestosterone Ur Ql GC-MS4-HydroxytestosteroneDRUG/TOX4-Hydroxytestosterone, UrinePrThr

Frequently asked questions

Code details

Code106971-5
SystemLOINC
Display name4-Hydroxytestosterone Gas chromatography-mass spectrometry Ql (U)
Description4-Hydroxytestosterone
Short name4-Hydroxytestosterone Ur Ql GC-MS
Component4-Hydroxytestosterone
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
MethodGC-MS
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.79
Last changed2.79

Consumer names

4-Hydroxytestosterone, Urine

Part names

4-HydroxytestosteronePrThrPtUrineOrdGC-MSPresence or ThresholdPoint in time (spot)Gas chromatography-mass spectrometry

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 106971-5 | HealthAssure