LOINCActive

LOINC Code 8278-4: Formula used to compute body surface area

8278-4 is a LOINC code used to identify Formula used to compute body surface area 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 Formula used to compute body surface area. It is commonly used with the system or sample type Formula.

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 Formula used to compute body surface area. It is commonly used with the system or sample type Formula.

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: *

What it does not mean

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

Key facts

  • Formula used to compute body surface area
  • Bdy surface; bod; Bodies; BODY SURFACE AREA.ATOM; BSA; BSA formula; Nominal; Point in time; Random; Surf; Typ

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

Formula used to compute body surface areaBSA formulaBDYSURF.ATOMTypePtFormulaNom

Frequently asked questions

Code details

Code8278-4
SystemLOINC
Display nameFormula used to compute body surface area
Short nameBSA formula
ComponentFormula used to compute body surface area
PropertyType
TimingPt
System (specimen)Formula
ScaleNom
Method*
ClassBDYSURF.ATOM
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(2)
Last changed2.73

Part names

Formula used to compute body surface areaTypePtFormulaNom*Point 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.