LOINCActive

LOINC Code 66247-8: Sit to stand frequency in 30 seconds

66247-8 is a LOINC code used to identify Sit to stand frequency in 30 seconds 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 Sit to stand. 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 Sit to stand. 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

What it does not mean

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

Key facts

Sit to stand frequency in 30 seconds
Sit to stand
The number of times a patient is able to stand from a sitting position in 30 seconds. This test is performed to assess lower body strength. Typically a chair with seat height at 17", a straight back and without arm rests is used.[PMID10380242] [https://www.cdc.gov/steadi/pdf/STEADI-Assessment-30Sec-508.pdf] To report the patient's results for the modified version of the 30 second sit to stand (m30sSTS) test where the patient uses their upper arms for support, use Modified 30s Sit to Stand w extremities [LOINC: 93125-3].
30s CST; 30-Second Chair Stand; 30sSTS; Count/time; H+P; H+P.PX; nRate; Number rate; Number Rate = Count/Time; P prime; QNT; Quan; Quant; Quantitative; Stands

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

Sit to stand frequency in 30 secondsSit to stand # in 30sSit to standH&P.PXNRat30S^Patient

Frequently asked questions

Code details

Code66247-8
SystemLOINC
Display nameSit to stand frequency in 30 seconds
DescriptionSit to stand
Short nameSit to stand # in 30s
ComponentSit to stand
PropertyNRat
Timing30S
System (specimen)^Patient
ScaleQn
ClassH&P.PX
Example units#/30 s
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.67

Part names

Sit to standNRat30S^PatientQnNumber Rate30 seconds

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 66247-8 | HealthAssure