LOINCActiveObservation

LOINC Code 99512-6: Weight (Brain)

99512-6 is a LOINC code used to identify Weight (Brain) 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 Weight. It is commonly used with the system or sample type Brain.

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 Weight. It is commonly used with the system or sample type Brain.

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

What it does not mean

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

Key facts

  • Weight of Brain
  • Weight
  • Cerebral; Cerebrum; Head; Intracranial; Pathology; 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

Weight (Brain)Weight of BrainWt Brain QnWeightPATHWeight, BrainMass

Frequently asked questions

Code details

Code99512-6
SystemLOINC
Display nameWeight (Brain)
DescriptionWeight
Short nameWt Brain Qn
ComponentWeight
PropertyMass
TimingPt
System (specimen)Brain
ScaleQn
ClassPATH
Example unitsg
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.72

Consumer names

Weight, Brain

Part names

WeightMassPtBrainQnPoint 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 99512-6 | HealthAssure