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LOINC Code 76133-8: Sugar absorption test panel (5 hour U) [Molar ratio]

76133-8 is a LOINC code used to identify Sugar absorption test panel (5 hour U) [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 Sugar absorption test panel. 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 Sugar absorption test panel. 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: Order
  • Panel type: Panel

What it does not mean

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

Key facts

Sugar absorption test panel [Molar ratio] - 5 hour Urine
Sugar absorption test panel
A non-invasive test that measures the permeability of the small bowel after ingestion of a sugar solution (e.g. lactulose and mannitol).[PMID7714684] The test consists of fasting, drinking a sugar solution and collecting the urine specimen for five hours. The submitter's lab measures glucose, sucrose, lactulose, mannitol, and inositol.free (myoinositol) levels in the urine. Results are used as a diagnostic aid for a variety of gastrointestinal and auto-immune diseases, including allergies, autism, hyperactivity and poor concentration, coeliac disease, malabsorption and deficiencies, malnutrition, chronic skin problems, and inflammatory bowel disease in both children and adults. The test may also be used for evaluation of therapeutic interventions.
5 hours; 5.0Hr; 5HR; Absorp; Chemistry; Pan; PANEL.CHEMISTRY; Panl; Pnl; Scrto; Substance concentration ratio; Substance ratio; Sugar absorption test Pnl; 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

Sugar absorption test panel (5 hour U) [Molar ratio]Sugar absorption test panel [Molar ratio] - 5 hour UrineSugar absorption test Pnl 5h Ur-sRtoSugar absorption test panelPANEL.CHEMSugar Absorption test panel, UrineSRto

Frequently asked questions

Code details

Code76133-8
SystemLOINC
Display nameSugar absorption test panel (5 hour U) [Molar ratio]
DescriptionSugar absorption test panel
Short nameSugar absorption test Pnl 5h Ur-sRto
ComponentSugar absorption test panel
PropertySRto
Timing5H
System (specimen)Urine
Scale-
ClassPANEL.CHEM
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.58

Consumer names

Sugar Absorption test panel, Urine

Part names

Sugar absorption test panelSRto5HUrine-Substance Ratio5 hours

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 76133-8 | HealthAssure