LOINC

LOINC Code 56083-9: Body weight --XXX time ago

56083-9 is a LOINC code used to identify Body weight --XXX time ago 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 Body weight^XXX time ago. 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 Body weight^XXX time ago. 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: TRIAL

What it does not mean

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

Key facts

Body weight --XXX time ago
Body weight^XXX time ago
Question asking participant his/her weight 1 year ago. NoteThis time period can be modified for different time periods. Depending on your hypothesis, you may want to modify the time interval as appropriate (e.g., 3 months, 6 months, 1 year).
Bdy weight; bod; Bodies; PhenX; Point in time; QNT; Quan; Quant; Quantitative; Random; Wt

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

Body weight --XXX time agoWeight XXX time agoBody weight^XXX time agoPHENXMassPt^Patient

Frequently asked questions

Code details

Code56083-9
SystemLOINC
Display nameBody weight --XXX time ago
DescriptionBody weight^XXX time ago
Short nameWeight XXX time ago
ComponentBody weight^XXX time ago
PropertyMass
TimingPt
System (specimen)^Patient
ScaleQn
ClassPHENX
Example unitsgm;lb-oz
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.69

Part names

Body weight^XXX time agoMassPt^PatientQnPoint 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.