LOINCActiveObservation

LOINC Code 48117-6: Isovalerylglycine/Urea (P) [Molar ratio]

48117-6 is a LOINC code used to identify Isovalerylglycine/Urea (P) [Molar ratio] 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 Isovalerylglycine/Urea. It is commonly used with the system or sample type Plas.

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 Isovalerylglycine/Urea. It is commonly used with the system or sample type Plas.

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

  • Isovalerylglycine/Urea [Molar ratio] in Plasma
  • Isovalerylglycine/Urea
  • Chemistry; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; Scrto; Substance concentration ratio; Substance ratio

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

Isovalerylglycine/Urea (P) [Molar ratio]Isovalerylglycine/Urea [Molar ratio] in PlasmaIsovalerylgly/Urea Plas-sRtoIsovalerylglycine/UreaCHEMIsovalerylglycine/Urea, BloodSRto

Frequently asked questions

Code details

Code48117-6
SystemLOINC
Display nameIsovalerylglycine/Urea (P) [Molar ratio]
DescriptionIsovalerylglycine/Urea
Short nameIsovalerylgly/Urea Plas-sRto
ComponentIsovalerylglycine/Urea
PropertySRto
TimingPt
System (specimen)Plas
ScaleQn
ClassCHEM
Example unitsmmol/mmol
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.70

Consumer names

Isovalerylglycine/Urea, Blood

Part names

Isovalerylglycine/UreaSRtoPtPlasQnSubstance RatioPoint in time (spot)Plasma

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 48117-6 | HealthAssure