LOINCActiveObservation

LOINC Code 82291-6: Frequency of muscle-strengthening physical activity

82291-6 is a LOINC code used to identify Frequency of muscle-strengthening physical activity 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 Frequency of muscle-strengthening physical activity. 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 Frequency of muscle-strengthening physical activity. 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: Observation

What it does not mean

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

Key facts

  • Frequency of muscle-strengthening physical activity
  • The frequency (days/week, hours/day, etc.) a patient spends doing muscle-strengthening activities. According to the 2008 Physical Activity Guidelines for Americans, children and adolescents should do muscle-strengthening physical activities at least 3 days per week and adults should do muscle-strengthening activities that are moderate or high intensity and involve all major muscle group at least 2 days a week.
  • Activ; Activity; Actvty; CLIN; Count/time; Exercise; Freq muscle-strengthening; Movements; Musc; Muscl; nRate; Number rate; Number Rate = Count/Time; QNT; Quan; Quant; Quantitative; Report period

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

Frequency of muscle-strengthening physical activityFreq muscle-strengtheningCLINFrequency of muscle-strengthening physical activity in Reporting PeriodNRatRptPeriod^Patient

Frequently asked questions

Code details

Code82291-6
SystemLOINC
Display nameFrequency of muscle-strengthening physical activity
Short nameFreq muscle-strengthening
ComponentFrequency of muscle-strengthening physical activity
PropertyNRat
TimingRptPeriod
System (specimen)^Patient
ScaleQn
ClassCLIN
Example units/week
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.56
Last changed2.71

Consumer names

Frequency of muscle-strengthening physical activity in Reporting Period

Part names

Frequency of muscle-strengthening physical activityNRatRptPeriod^PatientQnNumber RateReporting Period

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 82291-6 | HealthAssure