<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="substance-weight-method"/><meta><lastUpdated value="2026-04-01T05:55:04.283+11:00"/></meta><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem substance-weight-method</b></p><a name="substance-weight-method"> </a><a name="hcsubstance-weight-method"> </a><div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%"><p style="margin-bottom: 0px">Last updated: 2021-01-05T10:01:24.148+11:00</p></div><p>This case-sensitive code system <code>http://hl7.org/fhir/substance-weight-method</code> defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td></tr><tr><td style="white-space:nowrap">SDS-PAGE<a name="substance-weight-method-SDS-PAGE"> </a></td><td>SDS-PAGE (sodium dodecyl sulfate-polyacrylamide gel electrophoresis)</td></tr><tr><td style="white-space:nowrap">Calculated<a name="substance-weight-method-Calculated"> </a></td><td>calculated</td></tr><tr><td style="white-space:nowrap">LighScattering<a name="substance-weight-method-LighScattering"> </a></td><td>light scattering</td></tr><tr><td style="white-space:nowrap">Viscosity<a name="substance-weight-method-Viscosity"> </a></td><td>viscosity</td></tr><tr><td style="white-space:nowrap">GelPermeationCentrifugation<a name="substance-weight-method-GelPermeationCentrifugation"> </a></td><td>gel permeation centrifugation</td></tr><tr><td style="white-space:nowrap">End-groupAnalysis<a name="substance-weight-method-End-groupAnalysis"> </a></td><td>End-group analysis</td></tr><tr><td style="white-space:nowrap">End-groupTitration<a name="substance-weight-method-End-groupTitration"> </a></td><td>End-group titration</td></tr><tr><td style="white-space:nowrap">Size-ExclusionChromatography<a name="substance-weight-method-Size-ExclusionChromatography"> </a></td><td>Size-exclusion chromatography</td></tr></table></div></text><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="brr"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"><valueCode value="informative"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"><valueInteger value="1"/></extension><url value="http://hl7.org/fhir/substance-weight-method"/><identifier><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.4.2091"/></identifier><version value="6.0.0-ballot4"/><name value="SubstanceWeightMethod"/><title value="Substance Weight Method"/><status value="active"/><experimental value="false"/><date value="2021-01-05T10:01:24+11:00"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="SubstanceWeightMethod"/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/substance-weight-method"/><content value="complete"/><concept><code value="SDS-PAGE"/><display value="SDS-PAGE (sodium dodecyl sulfate-polyacrylamide gel electrophoresis)"/></concept><concept><code value="Calculated"/><display value="calculated"/></concept><concept><code value="LighScattering"/><display value="light scattering"/></concept><concept><code value="Viscosity"/><display value="viscosity"/></concept><concept><code value="GelPermeationCentrifugation"/><display value="gel permeation centrifugation"/></concept><concept><code value="End-groupAnalysis"/><display value="End-group analysis"/></concept><concept><code value="End-groupTitration"/><display value="End-group titration"/></concept><concept><code value="Size-ExclusionChromatography"/><display value="Size-exclusion chromatography"/></concept></CodeSystem>