n class="st">"v100"</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="fu">insert_dot</span><span class="op">(</span><span class="va">icd9codes</span>, <span class="fl">9</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1] "001.1"  "001.1"  "316"    "E950"   "E980.8" "V90"    "V10.0" </span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co">## for ICD-10 codes</span></span></span>
<span clas