LOINCActiveObservation

LOINC Code 91340-0: My back pain has spread down my leg(s) at some time in the last 2 weeks [STarT Back]

91340-0 is a LOINC code used to identify My back pain has spread down my leg(s) at some time in the last 2 weeks [STarT Back] 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 My back pain has spread down my leg(s) at some time in the last 2W. 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 My back pain has spread down my leg(s) at some time in the last 2W. 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: STarT Back

What it does not mean

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

Key facts

My back pain has spread down my leg(s) at some time in the last 2 weeks [STarT Back]
My back pain has spread down my leg(s) at some time in the last 2W
This LOINC may also be used for the interview version of this item"Has your back pain spread down your leg(s) at some time in the last 2 weeks?" (Answers: Yes =1, No =0)
14 days; 2 weeks; Finding; Findings; Lower extremity; Ordinal; Past; QL; Qual; Qualitative; S prime; Screen; Started; Survey; SURVEY.GNHLTH

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

My back pain has spread down my leg(s) at some time in the last 2 weeks [STarT Back]My back pain has spread down my leg(s) at some time in the last 2WSURVEY.GNHLTHFind2W^PatientOrd

Frequently asked questions

Code details

Code91340-0
SystemLOINC
Display nameMy back pain has spread down my leg(s) at some time in the last 2 weeks [STarT Back]
DescriptionMy back pain has spread down my leg(s) at some time in the last 2W
ComponentMy back pain has spread down my leg(s) at some time in the last 2W
PropertyFind
Timing2W
System (specimen)^Patient
ScaleOrd
MethodSTarT Back
ClassSURVEY.GNHLTH
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.66
Last changed2.66

Part names

My back pain has spread down my leg(s) at some time in the last 2WFind2W^PatientOrdSTarT BackMy back pain has spread down my leg(s) at some time in the last 2 weeksFinding2 weeksSTarT Back Screening Tool

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.