| CLSI C31-A2 (Replaces C31-A) Ionized Calcium Determinations: Precollection Variables, Specimen Choice, Collection, and Handling; Approved Guideline - Second Edition. |
| Recognition Date | 2004-03-08 |
| Recognition List | 009 |
| Recognition Number | 7-87 |
| Extent | Complete standard |
| Standards Orgs | CLSI Clinical Laboratory Standards Institute https://clsi.org/ |
| STG | InVitro Diagnostics |
| FDA Tech | Tracey Bosworth FDA/OMPT/CDRH/OIR/DCTD/CHTB/ 301-796-2981 Tracey.Bosworth@fda.hhs.gov |
.stds { color: #000000; float: center; width: 950px; margin: 0px 25px 0px 0px; } .stds-middle { color: #000000; float: center; width: 575px; margin: 0px 50px 50px 50px; } /* .stds-left { float: left; margin: 9px 30px 0px 0; } */ .stds-left { color: #000000; float: left; width: 700px; margin: 9px 0px 0px 0px; } .stds-search-left { float: left; width: 610px; margin: 9px 30px 0px 0; } .stds-search-right { float: right; width: 190px; margin: 9px 18px 0 0; padding: 8px 12px 10px 12px; background-color: #f9f9f3; border: 1px solid #b0b0b0; -webkit-border-radius: 6px; -moz-border-radius: 6px; border-radius: 6px; } .stds-right { color: #000000; float: right; width: 170px; margin: 9px 18px 0 0; padding: 8px 12px 10px 12px; background-color: #f3f3f3; border: 1px solid #b0b0b0; border-radius: 6px; } .stds-intro { margin: 0px 0px 18px 0px; padding: 5px 12px 12px 12px; background-color: #e8eff5; border: 1px solid #b0b0b0; border-radius: 6px; } #stds_nr-form { margin-top: 18px; padding-top: 12px; border-top: 1px dashed #b0b0b0; } #stds-form { table-layout:fixed; width: 700px; font-size: 11px; border: 1px solid #b0b0b0; background-color: #f9f9f3; } #stds-form-title{ padding: 3px 3px 3px 3px; width: 100%; background-color: #e8eff5; border-bottom: 1px solid #b0b0b0; margin-top: 0px; } #stds-form-title-left { font-size: 13px; font-weight:normal; } #stds-form-title-right { /*float: right;*/ font-size: 11px; padding: 0px 0px 0px 500px; } #stds-form-results-right { /*float: right;*/ font-size: 11px; padding: 0px 0px 0px 600px; } #stds-search { height: 18px; margin: 0px; padding: 3px 10px; border: 1px solid #b0b0b0; font-size: 12px; color: #484138; } #stds-search:focus, #stds-search:hover { -webkit-box-shadow: 0 0px 6px rgba(0,0,0,.1); -moz-box-shadow: 0 0px 6px rgba(0,0,0,.1); box-shadow: 0 0px 6px rgba(0,0,0,.1); } #stds-results-number { margin-bottom: 12px; font-size: 10px; font-weight: bold; } #stds-results-table { margin-left:auto; margin-right:auto; text-align:left; padding: 0; border-collapse:collapse; table-layout:fixed; background-color: #f9f9f3; border-color: #b0b0b0; border-width: 0 0 1px 1px; border-style: solid; } #stds-results-table th { padding: 6px 12px; background-color: #f9f9f3; border-color: #b0b0b0; border-width: 1px 1px 0 0; border-style: solid; font-size: 12px; } #stds-results-table td { padding: 6px 12px; border-color: #b0b0b0; border-width: 1px 1px 0 0; border-style: solid; text-transform: capitalize; } #stds-results-table tr:nth-child(odd) { /* background-color: #f3f3f3; */ } .sort { float: right; margin: 0px 10px 0px 0px; padding: 0px 5px 5px 5px; } /* .sort { float: right; margin-top: 5px;} */ .sort a { color: #484138; } .sort a:hover { color: #0f2a8c; } Recognized Consensus Standards // Quick Links: Skip to main page content Skip to Search Skip to Topics Menu Skip to Common Links U.S. Food & Drug Administration Follow FDA En Español Search FDA Home Food Drugs Medical Devices Radiation-Emitting Products Vaccines, Blood & Biologics Animal & Veterinary Cosmetics Tobacco Products Recognized Consensus Standards var MP = { Version: '1.0.22', Domains: {'es':'esp.fda.gov'}, SrcLang: 'en', UrlLang: 'mp_js_current_lang', SrcUrl: unescape('mp_js_orgin_url'), init: function(){ if (MP.UrlLang.indexOf('p_js_')==1) { MP.SrcUrl=window.top.document.location.href; MP.UrlLang=MP.SrcLang; } }, getCookie: function(name){ var start=document.cookie.indexOf(name+'='); if(start < 0) return null; start=start+name.length+1; var end=document.cookie.indexOf(';', start); if(end < 0) end=document.cookie.length; while (document.cookie.charAt(start)==' '){ start++; } return unescape(document.cookie.substring(start,end)); }, setCookie: function(name,value,path,domain){ var cookie=name+'='+escape(value); if(path)cookie+='; path='+path; if(domain)cookie+='; domain='+domain; var now=new Date(); now.setTime(now.getTime()+1000*60*60*24*365); cookie+='; expires='+now.toUTCString(); document.cookie=cookie; }, switchLanguage: function(lang){ if(lang!=MP.SrcLang){ var script=document.createElement('SCRIPT'); script.src=location.protocol+'//'+MP.Domains[lang]+'/'+MP.SrcLang+lang+'/?1023749632;'+encodeURIComponent(MP.SrcUrl); document.body.appendChild(script); } else if(lang==MP.SrcLang && MP.UrlLang!=MP.SrcLang){ var script=document.createElement('SCRIPT'); script.src=location.protocol+'//'+MP.Domains[MP.UrlLang]+'/'+MP.SrcLang+MP.UrlLang+'/?1023749634;'+encodeURIComponent(location.href); document.body.appendChild(script); } return false; }, switchToLang: function(url) { window.top.location.href=url; } }; var addthis_config = {data_track_clickback: true, ui_508_compliant: true, services_compact: 'facebook, twitter, linkedin, pinterest_share, email', services_exclude: 'print', image_container: "#user_provided" } ; FDA Home Medical Devices Databases -
This document addresses preanalytical considerations--such as patient condition, specimen choice, collection, and handling--that can influence accuracy and clinical utility of ionized calcium measurements.
| Regulation Number | Device Name | Device Class | Product Code |
| §862.1145 | Atomic Absorption, Calcium | Class 2 | JFN |
| §862.1145 | Azo Dye, Calcium | Class 2 | CJY |
| §862.1145 | Cresolphthalein Complexone, Calcium | Class 2 | CIC |
| §862.1145 | Electrode, Ion Specific, Calcium | Class 2 | JFP |
| Points to Consider for Collection of Data in Support of In Vitro Device Submissions for 510(k) Clearance, Issued September 1994. |