LOINC

LOINC Code 66331-0: Hand trial Hand - left [PhenX]

66331-0 is a LOINC code used to identify Hand trial Hand - left [PhenX] 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 Hand trial. It is commonly used with the system or sample type Hand.left.

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 Hand trial. It is commonly used with the system or sample type Hand.left.

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: TRIAL
  • Method: PhenX

What it does not mean

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

Key facts

  • Hand trial Hand - left [PhenX]
  • Hand trial
  • Hand-L; L; LT; Mechanical force; Point in time; QNT; Quan; Quant; Quantitative; Random; Upper extremity

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

Hand trial Hand - left [PhenX]Hand trial Hand-L PhenXHand trialPHENXForcePtHand.left

Frequently asked questions

Code details

Code66331-0
SystemLOINC
Display nameHand trial Hand - left [PhenX]
DescriptionHand trial
Short nameHand trial Hand-L PhenX
ComponentHand trial
PropertyForce
TimingPt
System (specimen)Hand.left
ScaleQn
MethodPhenX
ClassPHENX
Example unitslbf
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.38
Last changed2.65

Part names

Hand trialForcePtHand.leftQnPhenXMechanical ForcePoint in time (spot)Hand Left

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 66331-0 | HealthAssure