What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 47771-1: Somatotropin 3 Hr post dose glucose PO Qn

Name: LOINC Code 47771-1: Somatotropin 3 Hr post dose glucose PO Qn
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:32.261Z

47771-1 is a LOINC code used to identify Somatotropin 3 Hr post dose glucose PO Qn 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 Somatotropin^3H post dose glucose PO. It is commonly used with the system or sample type Ser/Plas.

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 Somatotropin^3H post dose glucose PO. It is commonly used with the system or sample type Ser/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

Somatotropin [Units/volume] in Serum or Plasma --3 hours post dose glucose PO
Somatotropin^3H post dose glucose PO
3h p Glc; 3h p Glc PO; After; Arbitrary concentration; CHEMISTRY.CHALLENGE TESTING; Endocrine; Endocrinology; GH; Glu; Glu tol; Gluc; Glucose tolerance; Glucoseur; Growth hormone; GTT; HGH; Human growth hormone; p dose; p Glc; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; Somatotropic hormone; SR; STH

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

Somatotropin 3 Hr post dose glucose PO QnSomatotropin [Units/volume] in Serum or Plasma --3 hours post dose glucose POGH 3h p Glc PO SerPl-aCncSomatotropin^3H post dose glucose POCHALSomatotropin 3 hr after glucose by mouth, BloodACnc

Frequently asked questions

Code details

Code47771-1

SystemLOINC

Display nameSomatotropin 3 Hr post dose glucose PO Qn

DescriptionSomatotropin^3H post dose glucose PO

Short nameGH 3h p Glc PO SerPl-aCnc

ComponentSomatotropin^3H post dose glucose PO

PropertyACnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHAL

Example unitsmIU/L

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.21

Last changed2.70

Consumer names

Somatotropin 3 hr after glucose by mouth, Blood

Part names

Somatotropin^3H post dose glucose POACncPtSer/PlasQnArbitrary ConcentrationPoint in time (spot)Serum or 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.