LOINCActiveBoth

LOINC Code 15139-9: Anserine+Carnosine+Cysteine+Histidine+Ornithine Ql (U)

15139-9 is a LOINC code used to identify Anserine+Carnosine+Cysteine+Histidine+Ornithine 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 Anserine+Carnosine+Cysteine+Histidine+Ornithine. 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 Anserine+Carnosine+Cysteine+Histidine+Ornithine. 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

What it does not mean

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

Key facts

  • Anserine+Carnosine+Cysteine+Histidine+Ornithine [Presence] in Urine
  • Anserine+Carnosine+Cysteine+Histidine+Ornithine
  • Amino Acids mixE; beta -alanyl-N-methylhistidine; Car; Chemistry; Cys; Formiminoglutamic Acidemia; His; Histidinemia; Ordinal; Orn; 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

Anserine+Carnosine+Cysteine+Histidine+Ornithine Ql (U)Anserine+Carnosine+Cysteine+Histidine+Ornithine [Presence] in UrineAmino Acids mixE Ur QlAnserine+Carnosine+Cysteine+Histidine+OrnithineCHEMAnserine+Carnosine+Cysteine+Histidine+Ornithine, UrinePrThr

Frequently asked questions

Code details

Code15139-9
SystemLOINC
Display nameAnserine+Carnosine+Cysteine+Histidine+Ornithine Ql (U)
DescriptionAnserine+Carnosine+Cysteine+Histidine+Ornithine
Short nameAmino Acids mixE Ur Ql
ComponentAnserine+Carnosine+Cysteine+Histidine+Ornithine
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.73

Consumer names

Anserine+Carnosine+Cysteine+Histidine+Ornithine, Urine

Part names

Anserine+Carnosine+Cysteine+Histidine+OrnithinePrThrPtUrineOrdPresence 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.