LOINCActiveObservation

LOINC Code 29865-3: 2-Oxoisocaproate Ql (U)

29865-3 is a LOINC code used to identify 2-Oxoisocaproate 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 2-Oxoisocaproate. 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 2-Oxoisocaproate. 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

  • 2-Oxoisocaproate [Presence] in Urine
  • 2-Oxoisocaproate
  • 2-keto-4-methylvalerate; 2-ketoisocaproate; 2-ketoisocaproic acid; 2Oxoisocaproate; 2-oxoisocaproic acid; alpha-ketoisocaproate; alpha-ketoisocaproic acid; Chemistry; II; 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

2-Oxoisocaproate Ql (U)2-Oxoisocaproate [Presence] in Urine2Oxoisocaproate Ur Ql2-OxoisocaproateCHEM2-Oxoisocaproate, UrinePrThr

Frequently asked questions

Code details

Code29865-3
SystemLOINC
Display name2-Oxoisocaproate Ql (U)
Description2-Oxoisocaproate
Short name2Oxoisocaproate Ur Ql
Component2-Oxoisocaproate
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
ClassCHEM
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.73

Consumer names

2-Oxoisocaproate, Urine

Part names

2-OxoisocaproatePrThrPtUrineOrdPresence or ThresholdPoint 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.

LOINC Code 29865-3 | HealthAssure