| K26 | ½ÊÀÌÁöÀå±Ë¾ç | Duodenal ulcer |
 |
| K26 | ½ÊÀÌÁöÀåÀÇ ¹Ì¶õ(±Þ¼º) | Erosion(acute) of duodenum |
 |
| K26 | ½ÊÀÌÁöÀå±Ë¾ç(¼Òȼº) | Duodenal ulcer (peptic) |
 |
| K26 | À¯¹®ÈÄ ±Ë¾ç(¼Òȼº) | Postpyloric ulcer (peptic) |
 |
| K260 | ÃâÇ÷ÀÌ ÀÖ´Â ±Þ¼º ½ÊÀÌÁöÀå±Ë¾ç | Acute duodenal ulcer with hemorrhage |
 |
| K261 | õ°øÀÌ ÀÖ´Â ±Þ¼º ½ÊÀÌÁöÀå±Ë¾ç | Acute duodenal ulcer with perforation |
 |
| K262 | ÃâÇ÷ ¹× õ°øÀÌ ¸ðµÎ ÀÖ´Â ±Þ¼º ½ÊÀÌÁöÀå±Ë¾ç | Acute duodenal ulcer with both hemorrhage and perforation |
 |
| K263 | ÃâÇ÷ ¶Ç´Â õ°øÀÌ ¾ø´Â ±Þ¼º ½ÊÀÌÁöÀå±Ë¾ç | Acute duodenal ulcer without hemorrhage or perforation |
 |
| K264 | ÃâÇ÷ÀÌ ÀÖ´Â ¸¸¼º ¶Ç´Â »ó¼¼ºÒ¸í ½ÊÀÌÁöÀå±Ë¾ç | Chronic or unspecified duodenal ulcer with hemorrhage |
 |
| K265 | õ°øÀÌ ÀÖ´Â ¸¸¼º ¶Ç´Â »ó¼¼ºÒ¸í ½ÊÀÌÁöÀå±Ë¾ç | Chronic or unspecified duodenal ulcer with perforation |
 |
| K266 | ÃâÇ÷ ¹× õ°øÀÌ ¸ðµÎ ÀÖ´Â ¸¸¼º ¶Ç´Â »ó¼¼ºÒ¸í ½ÊÀÌÁöÀå±Ë¾ç | Chronic or unspecified duodenal ulcer with both hemorrhage and perforation |
 |
| K267 | ÃâÇ÷ ¶Ç´Â õ°øÀÌ ¾ø´Â ¸¸¼º ½ÊÀÌÁöÀå±Ë¾ç | Chronic duodenal ulcer without hemorrhage or perforation |
 |
| K269 | ÃâÇ÷ ¶Ç´Â õ°øÀÌ ¾ø´Â ±Þ¼ºÀÎÁö ¸¸¼ºÀÎÁö »ó¼¼ºÒ¸íÀÎ ½ÊÀÌÁöÀå±Ë¾ç | Unspecified as acute or chronic duodenal ulcer without hemorrhage or perforation |
 |
| K27 | »ó¼¼ºÒ¸í ºÎÀ§ÀÇ ¼Òȼº ±Ë¾ç | Peptic ulcer, site unspecified |
 |
| K27 | À§½ÊÀÌÁöÀå±Ë¾ç NOS | Gastroduodenal ulcer NOS |
 |
| K27 | ¼Òȼº ±Ë¾ç NOS | peptic ulcer NOS |
 |
| K270 | ÃâÇ÷ÀÌ ÀÖ´Â ±Þ¼º »ó¼¼ºÒ¸í ºÎÀ§ÀÇ ¼Òȼº ±Ë¾ç | Acute peptic ulcer, site unspecified with hemorrhage |
 |
| K271 | õ°øÀÌ ÀÖ´Â ±Þ¼º »ó¼¼ºÒ¸í ºÎÀ§ÀÇ ¼Òȼº ±Ë¾ç | Acute peptic ulcer, site unspecified with perforation |
 |
| K272 | ÃâÇ÷ ¹× õ°øÀÌ ¸ðµÎ ÀÖ´Â ±Þ¼º »ó¼¼ºÒ¸í ºÎÀ§ÀÇ ¼Òȼº ±Ë¾ç | Acute peptic ulcer, site unspecified with both hemorrhage and perforation |
 |
| K273 | ÃâÇ÷ ¶Ç´Â õ°øÀÌ ¾ø´Â ±Þ¼º »ó¼¼ºÒ¸í ºÎÀ§ÀÇ ¼Òȼº ±Ë¾ç | Acute peptic ulcer, site unspecified without hemorrhage or perforation |
 |