LOINCActiveBoth

LOINC Code 91147-9: Mean score [PEG]

91147-9 is a LOINC code used to identify Mean score [PEG] 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 Mean score. It is commonly used with the system or sample type ^Patient.

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 Mean score. It is commonly used with the system or sample type ^Patient.

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
  • Method: Pain intensity, Enjoyment of life, General activity (PEG)

What it does not mean

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

Key facts

Mean score [PEG]
Mean score
The PEG score is the average of the 3 individual item scores. For clinical use, round to the nearest whole number. The PEG mean score is used monitor chronic pain by tracking changes in score over time. [PMID19418100]
Activ; Actvty; Average; Avg; Point in time; Polyethylene Glycol; QNT; Quan; Quant; Quantitative; Random; Scale; Scre; Survey; SURVEY.PEG

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

Mean score [PEG]Mean scoreSURVEY.PEGScorePt^PatientQn

Frequently asked questions

Code details

Code91147-9
SystemLOINC
Display nameMean score [PEG]
DescriptionMean score
ComponentMean score
PropertyScore
TimingPt
System (specimen)^Patient
ScaleQn
MethodPain intensity, Enjoyment of life, General activity (PEG)
ClassSURVEY.PEG
Example unitsscore
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.65
Last changed2.65

Part names

Mean scoreScorePt^PatientQnPain intensity, Enjoyment of life, General activity (PEG)Point in time (spot)Pain intensity, Enjoyment of life, General activity

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 91147-9 | HealthAssure