LOINCActiveObservation

LOINC Code 41620-6: Xylose 5 Hr post 5 g xylose PO (U) [Moles/Vol]

41620-6 is a LOINC code used to identify Xylose 5 Hr post 5 g xylose PO (U) [Moles/Vol] 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 Xylose^5H post 5 g xylose PO. 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 Xylose^5H post 5 g xylose PO. 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

  • Xylose [Moles/volume] in Urine --5 hours post 5 g xylose PO
  • Xylose^5H post 5 g xylose PO
  • 5h p 5 g Xyl PO; After; CHEMISTRY.CHALLENGE TESTING; D-xylose; Level; p 5 g Xyl PO; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; Substance concentration; UA; UR; Urn; Xylose absorption test

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

Xylose 5 Hr post 5 g xylose PO (U) [Moles/Vol]Xylose [Moles/volume] in Urine --5 hours post 5 g xylose POXylose 5h p 5 g Xyl PO Ur-sCncXylose^5H post 5 g xylose POCHALXylose 5 hr after 5 g Xylose by mouth, UrineSCnc

Frequently asked questions

Code details

Code41620-6
SystemLOINC
Display nameXylose 5 Hr post 5 g xylose PO (U) [Moles/Vol]
DescriptionXylose^5H post 5 g xylose PO
Short nameXylose 5h p 5 g Xyl PO Ur-sCnc
ComponentXylose^5H post 5 g xylose PO
PropertySCnc
TimingPt
System (specimen)Urine
ScaleQn
ClassCHAL
Example unitsmmol/L;nmol/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.70

Consumer names

Xylose 5 hr after 5 g Xylose by mouth, Urine

Part names

Xylose^5H post 5 g xylose POSCncPtUrineQnSubstance ConcentrationPoint 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.