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(While <a href="/wiki/Complement_component_9" title="Complement component 9">C9</a> is part of the MAC, and deficiencies have been identified,<sup id="cite_ref-pmid7430628_1-0" class="reference"><a href="#cite_note-pmid7430628-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> it is not required for cell lysis.<sup id="cite_ref-HabermannClinic2007_2-0" class="reference"><a href="#cite_note-HabermannClinic2007-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>) </p><p>People with this condition are prone to <a href="/wiki/Meningococcal" class="mw-redirect" title="Meningococcal">meningococcal</a> infection.<sup id="cite_ref-Bhattacharya_3-0" class="reference"><a href="#cite_note-Bhattacharya-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Vaccination may be recommended.<sup id="cite_ref-Southwick2007_4-0" class="reference"><a href="#cite_note-Southwick2007-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Cause">Cause</h2></div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-Empty_section plainlinks metadata ambox mbox-small-left ambox-content" role="presentation"><tbody><tr><td class="mbox-image"><span typeof="mw:File"><a href="/wiki/File:Wiki_letter_w_cropped.svg" class="mw-file-description"><img alt="[icon]" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Wiki_letter_w_cropped.svg/20px-Wiki_letter_w_cropped.svg.png" decoding="async" width="20" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Wiki_letter_w_cropped.svg/30px-Wiki_letter_w_cropped.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Wiki_letter_w_cropped.svg/40px-Wiki_letter_w_cropped.svg.png 2x" data-file-width="44" data-file-height="31" /></a></span></td><td class="mbox-text"><div class="mbox-text-span"><b>This section is empty.</b> You can help by <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Terminal_complement_pathway_deficiency&action=edit&section=">adding to it</a>. <span class="date-container"><i>(<span class="date">August 2017</span>)</i></span></div></td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Diagnosis">Diagnosis</h2></div> <p>Suspect terminal complement pathway deficiency in patients with more than one Neisseria infection episode. </p> <table style="font-size:70%; border:3px solid black; float:right; margin:10px"> <caption><a href="/wiki/Complement_system" title="Complement system">Complement</a> tests </caption> <tbody><tr> <th><a href="/wiki/Complement_component_4" title="Complement component 4">C4</a> (<a href="/wiki/Classical_complement_pathway" title="Classical complement pathway">C</a>) </th> <th><a href="/wiki/Complement_factor_B" title="Complement factor B">FB</a> (<a href="/wiki/Alternative_complement_pathway" title="Alternative complement pathway">A</a>) </th> <th><a href="/wiki/Complement_component_3" title="Complement component 3">C3</a> </th> <th><a href="/wiki/Total_complement_activity" title="Total complement activity">CH50</a> </th> <th>Conditions </th></tr> <tr> <td>· </td> <td>↓ </td> <td>↓ </td> <td>↓ </td> <td><a href="/wiki/Poststreptococcal_glomerulonephritis" class="mw-redirect" title="Poststreptococcal glomerulonephritis">PSG</a>, C3 NeF <a href="/wiki/Autoantibody" title="Autoantibody">AA</a> </td></tr> <tr> <td>↓ </td> <td>· </td> <td>↓ </td> <td>· </td> <td><a href="/wiki/Hereditary_angioedema" title="Hereditary angioedema">HAE</a>, <a href="/wiki/Complement_4_deficiency" title="Complement 4 deficiency">C4D</a> </td></tr> <tr> <td>· </td> <td>· </td> <td>· </td> <td>↓ </td> <td><a class="mw-selflink selflink">TCPD</a> </td></tr> <tr> <td>↓ </td> <td>·/↓ </td> <td>↓ </td> <td>↓ </td> <td><a href="/wiki/Systemic_lupus_erythematosus" class="mw-redirect" title="Systemic lupus erythematosus">SLE</a> </td></tr> <tr> <td>↑ </td> <td>↑ </td> <td>↑ </td> <td>↑ </td> <td><a href="/wiki/Inflammation" title="Inflammation">inflammation</a> </td></tr></tbody></table> <p>Initial complement tests often include C3 and C4, but not C5 through C9. Instead, the <a href="/wiki/Total_complement_activity" title="Total complement activity">CH50</a> result may play a role in diagnosis: if the CH50 level is low but C3 and C4 are normal, then analysis of the individual terminal components may be warranted. </p> <div class="mw-heading mw-heading2"><h2 id="Treatment">Treatment</h2></div> <p>Patients with terminal complement pathway deficiency should receive meningococcal and pneumococcal vaccinations. They can receive live vaccines. </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-pmid7430628-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-pmid7430628_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFLintZeitzGewurz1980" class="citation journal cs1">Lint TF, Zeitz HJ, Gewurz H (November 1980). <a rel="nofollow" class="external text" href="http://www.jimmunol.org/cgi/pmidlookup?view=long&pmid=7430628">"Inherited deficiency of the ninth component of complement in man"</a>. <i>J. Immunol</i>. <b>125</b> (5): 2252–7. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.4049%2Fjimmunol.125.5.2252">10.4049/jimmunol.125.5.2252</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/7430628">7430628</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:32575206">32575206</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Immunol.&rft.atitle=Inherited+deficiency+of+the+ninth+component+of+complement+in+man&rft.volume=125&rft.issue=5&rft.pages=2252-7&rft.date=1980-11&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A32575206%23id-name%3DS2CID&rft_id=info%3Apmid%2F7430628&rft_id=info%3Adoi%2F10.4049%2Fjimmunol.125.5.2252&rft.aulast=Lint&rft.aufirst=TF&rft.au=Zeitz%2C+HJ&rft.au=Gewurz%2C+H&rft_id=http%3A%2F%2Fwww.jimmunol.org%2Fcgi%2Fpmidlookup%3Fview%3Dlong%26pmid%3D7430628&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATerminal+complement+pathway+deficiency" class="Z3988"></span></span> </li> <li id="cite_note-HabermannClinic2007-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-HabermannClinic2007_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFThomas_M._HabermannMayo_Clinic2007" class="citation book cs1">Thomas M. Habermann; Mayo Clinic (1 November 2007). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=YJtodBwNxokC&pg=PA30"><i>Mayo Clinic Internal Medicine Concise Textbook</i></a>. CRC Press. pp. 30–. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-4200-6749-1" title="Special:BookSources/978-1-4200-6749-1"><bdi>978-1-4200-6749-1</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">14 November</span> 2010</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Mayo+Clinic+Internal+Medicine+Concise+Textbook&rft.pages=30-&rft.pub=CRC+Press&rft.date=2007-11-01&rft.isbn=978-1-4200-6749-1&rft.au=Thomas+M.+Habermann&rft.au=Mayo+Clinic&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DYJtodBwNxokC%26pg%3DPA30&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATerminal+complement+pathway+deficiency" class="Z3988"></span></span> </li> <li id="cite_note-Bhattacharya-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-Bhattacharya_3-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJ.K._SinhaS._Bhattacharya" class="citation book cs1">J.K. Sinha & S. Bhattacharya. <a rel="nofollow" class="external text" href="https://books.google.com/books?id=ytCNCbCWx8oC&pg=PA385"><i>A Text Book of Immunology</i></a>. Academic Publishers. pp. 385–. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-81-89781-09-5" title="Special:BookSources/978-81-89781-09-5"><bdi>978-81-89781-09-5</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">14 November</span> 2010</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=A+Text+Book+of+Immunology&rft.pages=385-&rft.pub=Academic+Publishers&rft.isbn=978-81-89781-09-5&rft.au=J.K.+Sinha&rft.au=S.+Bhattacharya&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DytCNCbCWx8oC%26pg%3DPA385&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATerminal+complement+pathway+deficiency" class="Z3988"></span></span> </li> <li id="cite_note-Southwick2007-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-Southwick2007_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFrederick_S._Southwick2007" class="citation book cs1">Frederick S. Southwick (10 December 2007). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=kGz0JcObY5wC&pg=PA149"><i>Infectious diseases: a clinical short course</i></a>. McGraw Hill Professional. pp. 149–. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-07-147722-2" title="Special:BookSources/978-0-07-147722-2"><bdi>978-0-07-147722-2</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">14 November</span> 2010</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Infectious+diseases%3A+a+clinical+short+course&rft.pages=149-&rft.pub=McGraw+Hill+Professional&rft.date=2007-12-10&rft.isbn=978-0-07-147722-2&rft.au=Frederick+S.+Southwick&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DkGz0JcObY5wC%26pg%3DPA149&rfr_id=info%3Asid%2Fen.wikipedia.org%3ATerminal+complement+pathway+deficiency" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output 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template">e</abbr></a></li></ul></div><div id="Lymphoid_and_complement_disorders_causing_immunodeficiency" style="font-size:114%;margin:0 4em"><a href="/wiki/Lymphatic_system" title="Lymphatic system">Lymphoid</a> and <a href="/wiki/Complement_system" title="Complement system">complement</a> disorders causing <a href="/wiki/Immunodeficiency" title="Immunodeficiency">immunodeficiency</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Primary_immunodeficiency" title="Primary immunodeficiency">Primary</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Antibody" title="Antibody">Antibody</a>/<a href="/wiki/Humoral_immune_deficiency" title="Humoral immune deficiency">humoral</a><br />(<a href="/wiki/B_cell" title="B cell">B</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Hypogammaglobulinemia" title="Hypogammaglobulinemia">Hypogammaglobulinemia</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/X-linked_agammaglobulinemia" title="X-linked agammaglobulinemia">X-linked agammaglobulinemia</a></li> <li><a href="/wiki/Transient_hypogammaglobulinemia_of_infancy" title="Transient hypogammaglobulinemia of infancy">Transient hypogammaglobulinemia of infancy</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Dysgammaglobulinemia" title="Dysgammaglobulinemia">Dysgammaglobulinemia</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Selective_immunoglobulin_A_deficiency" title="Selective immunoglobulin A deficiency">IgA deficiency</a></li> <li><a href="/wiki/IgG_deficiency" title="IgG deficiency">IgG deficiency</a></li> <li><a href="/wiki/Immunoglobulin_M_deficiency" class="mw-redirect" title="Immunoglobulin M deficiency">IgM deficiency</a></li> <li><a href="/wiki/Hyper_IgM_syndrome" title="Hyper IgM syndrome">Hyper IgM syndrome</a> (<a href="/wiki/Hyper-IgM_syndrome_type_1" title="Hyper-IgM syndrome type 1">1</a></li> <li><a href="/wiki/Hyper-IgM_syndrome_type_2" title="Hyper-IgM syndrome type 2">2</a></li> <li><a href="/wiki/Hyper-IgM_syndrome_type_3" title="Hyper-IgM syndrome type 3">3</a></li> <li><a href="/wiki/Hyper-IgM_syndrome_type_4" title="Hyper-IgM syndrome type 4">4</a></li> <li><a href="/wiki/Hyper-IgM_syndrome_type_5" title="Hyper-IgM syndrome type 5">5</a>)</li> <li><a href="/wiki/Wiskott%E2%80%93Aldrich_syndrome" title="Wiskott–Aldrich syndrome">Wiskott–Aldrich syndrome</a></li> <li><a href="/wiki/Hyperimmunoglobulin_E_syndrome" title="Hyperimmunoglobulin E syndrome">Hyper-IgE syndrome</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Common_variable_immunodeficiency" title="Common variable immunodeficiency">Common variable immunodeficiency</a></li> <li><a href="/wiki/ICF_syndrome" class="mw-redirect" title="ICF syndrome">ICF syndrome</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/T_cell_deficiency" title="T cell deficiency">T cell deficiency</a><br />(<a href="/wiki/T_cell" title="T cell">T</a>)</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Thymic_hypoplasia" title="Thymic hypoplasia">thymic hypoplasia</a>:</i> <i>hypoparathyroid</i> (<a href="/wiki/DiGeorge_syndrome" title="DiGeorge syndrome">Di George's syndrome</a>)</li> <li><i>euparathyroid</i> (<a href="/wiki/Nezelof_syndrome" title="Nezelof syndrome">Nezelof syndrome</a></li> <li><a href="/wiki/Ataxia%E2%80%93telangiectasia" title="Ataxia–telangiectasia">Ataxia–telangiectasia</a>)</li></ul> <p><i>peripheral:</i> <a href="/wiki/Purine_nucleoside_phosphorylase_deficiency" title="Purine nucleoside phosphorylase deficiency">Purine nucleoside phosphorylase deficiency</a> </p> <ul><li><a href="/wiki/Hyper_IgM_syndrome" title="Hyper IgM syndrome">Hyper IgM syndrome</a> (<a href="/wiki/Hyper-IgM_syndrome_type_1" title="Hyper-IgM syndrome type 1">1</a>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Severe_combined_immunodeficiency" title="Severe combined immunodeficiency">Severe</a> <a href="/wiki/Combined_immunodeficiencies" title="Combined immunodeficiencies">combined</a><br />(B+T)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i>x-linked:</i> <a href="/wiki/X-linked_severe_combined_immunodeficiency" title="X-linked severe combined immunodeficiency">X-SCID</a><br /><i>autosomal:</i> <a href="/wiki/Adenosine_deaminase_deficiency" title="Adenosine deaminase deficiency">Adenosine deaminase deficiency</a></li> <li><a href="/wiki/Omenn_syndrome" title="Omenn syndrome">Omenn syndrome</a></li> <li><a href="/wiki/ZAP70_deficiency" title="ZAP70 deficiency">ZAP70 deficiency</a></li> <li><a href="/wiki/Bare_lymphocyte_syndrome" title="Bare lymphocyte syndrome">Bare lymphocyte syndrome</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Immunodeficiency#acquired" title="Immunodeficiency">Acquired</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HIV/AIDS" title="HIV/AIDS">HIV/AIDS</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Leukopenia" title="Leukopenia">Leukopenia</a>:<br /><a href="/wiki/Lymphocytopenia" title="Lymphocytopenia">Lymphocytopenia</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Idiopathic_CD4%2B_lymphocytopenia" title="Idiopathic CD4+ lymphocytopenia">Idiopathic CD4+ lymphocytopenia</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Complement_deficiency" title="Complement deficiency">Complement<br />deficiency</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/C1-inhibitor" title="C1-inhibitor">C1-inhibitor</a></i> (<a href="/wiki/Angioedema" title="Angioedema">Angioedema</a>/<a href="/wiki/Hereditary_angioedema" title="Hereditary angioedema">Hereditary angioedema</a>)</li> <li><a href="/wiki/Complement_2_deficiency" title="Complement 2 deficiency">Complement 2 deficiency</a>/<a href="/wiki/Complement_4_deficiency" title="Complement 4 deficiency">Complement 4 deficiency</a></li> <li><a href="/wiki/MBL_deficiency" title="MBL deficiency">MBL deficiency</a></li> <li><a href="/wiki/Properdin_deficiency" title="Properdin deficiency">Properdin deficiency</a></li> <li><a href="/wiki/Complement_3_deficiency" title="Complement 3 deficiency">Complement 3 deficiency</a></li> <li><a class="mw-selflink selflink">Terminal complement pathway deficiency</a></li> <li><a href="/wiki/Paroxysmal_nocturnal_hemoglobinuria" title="Paroxysmal nocturnal hemoglobinuria">Paroxysmal nocturnal hemoglobinuria</a></li> <li><a href="/wiki/Complement_receptor_deficiency" class="mw-redirect" title="Complement receptor deficiency">Complement receptor deficiency</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Terminal_complement_pathway_deficiency&oldid=1183828748">https://en.wikipedia.org/w/index.php?title=Terminal_complement_pathway_deficiency&oldid=1183828748</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Category</a>: <ul><li><a href="/wiki/Category:Complement_deficiency" title="Category:Complement 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