| |
| 531 Gastric ulcer
Includes: ulcer (peptic):
prepyloric
pylorus
stomach
Use additional E code to identify drug, if drug-induced
Excludes: peptic ulcer NOS (533.0-533.9)
The following fifth-digit subclassification is for use with category 531:
0 without mention of obstruction
1 with obstruction |
| 531.0 Acute with hemorrhage
[0-1] |
| 531.1 Acute with perforation
[0-1] |
| 531.2 Acute with hemorrhage and perforation
[0-1] |
| 531.3 Acute without mention of hemorrhage or perforation
[0-1] |
| 531.4 Chronic or unspecified with hemorrhage
[0-1] |
| 531.5 Chronic or unspecified with perforation
[0-1] |
| 531.6 Chronic or unspecified with hemorrhage and perforation
[0-1] |
| 531.7 Chronic without mention of hemorrhage or perforation
[0-1] |
| 531.9 Unspecified as acute or chronic, without mention of hemorrhage or perforation
[0-1] |