LOINCActiveObservation

LOINC Code 100211-2: Post-op functional activities score [Knee Society Score]

100211-2 is a LOINC code used to identify Post-op functional activities score [Knee Society Score] 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 Post-op functional activities 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 Post-op functional activities 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: Observation
  • Method: Knee Society Score

What it does not mean

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

Key facts

Post-op functional activities score [Knee Society Score]
Post-op functional activities score
The functional activities score is calculated using walking and standing (30 point maximum), standard activities (30 point maximum), and advanced activities (25 point maximum). The walking and standing score has a 30-point maximum and is the sum of the scores for the ability to walk without aids (0 points) with deductions (-10 maximum) for type of aids used, duration of standing before sitting due to knee discomfort (15 point maximum), and duration of walking before sitting due to knee discomfort (15 point maximum). The standard activities score has a 30-point maximum and is the sum of the scores for how bothersome the knee is when walking on uneven surface (5 point maximum), turning or pivoting (5 point maximum), climbing up or down stairs (5 point maximum), getting up from low seat without armrests (5 point maximum), getting into or out of a car (5 point maximum), and moving laterally (5 point maximum). The advanced activities score has a 25-point maximum and is the sum of the scores for how bothersome the knee is when climbing ladder or step stool (5 point maximum), carrying a bag for one block (5 point maximum), squatting (5 point maximum), kneeling (5 point maximum), and running (5 point maximum). [https//www.kneesociety.org/the-knee-society-score]
After; KSS; Lower extremity joint; Ortho; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; Scale; Scre; Survey; Systemic Coronary Risk Evaluation

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

Post-op functional activities score [Knee Society Score]Post-op functional activities scoreSURVEY.ORTHOPEDICSScorePt^PatientQn

Frequently asked questions

Code details

Code100211-2
SystemLOINC
Display namePost-op functional activities score [Knee Society Score]
DescriptionPost-op functional activities score
ComponentPost-op functional activities score
PropertyScore
TimingPt
System (specimen)^Patient
ScaleQn
MethodKnee Society Score
ClassSURVEY.ORTHOPEDICS
Example unitsscore
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.73
Last changed2.73

Part names

Post-op functional activities scoreScorePt^PatientQnKnee Society ScorePoint 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.

LOINC Code 100211-2 | HealthAssure