LOINCActive

LOINC Code 111541-9: Body weight deviation/ideal weight Calc [Relative ratio]

111541-9 is a LOINC code used to identify Body weight deviation/ideal weight Calc [Relative ratio] 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 deviation/ideal weight. 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 deviation/ideal weight. 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
  • Method: Calculated

What it does not mean

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

Key facts

  • Body weight deviation/ideal weight by calculation
  • Body weight deviation/ideal weight
  • Bdy weight; bod; Bodies; Calc; Calculation; HEMATOLOGY/CELL COUNTS; Point in time; QNT; Quan; Quant; Quantitative; Random; Relative ratio; 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 deviation/ideal weight Calc [Relative ratio]Body weight deviation/ideal weight by calculationBody weight deviation/ideal weight Patient CalcBody weight deviation/ideal weightHEM/BCRelRtoPt

Frequently asked questions

Code details

Code111541-9
SystemLOINC
Display nameBody weight deviation/ideal weight Calc [Relative ratio]
DescriptionBody weight deviation/ideal weight
Short nameBody weight deviation/ideal weight Patient Calc
ComponentBody weight deviation/ideal weight
PropertyRelRto
TimingPt
System (specimen)^Patient
ScaleQn
MethodCalculated
ClassHEM/BC
Example units%
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Body weight deviation/ideal weight

Part names

Body weight deviation/ideal weightRelRtoPt^PatientQnCalculatedRelative RatioPoint 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 111541-9 | HealthAssure