ICD-10-CM › K00-K95 › K55-K64 › K59.3 Megacolon, not elsewhere classified › K59.31
K59.31
Toxic megacolon
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2017 to now.
- FY2017 Added to the code set Toxic megacolon
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from K59 Other functional intestinal disorders
Excludes1 - never coded here
- change in bowel habit NOS (R19.4)
- intestinal malabsorption (K90.-)
- psychogenic intestinal disorders (F45.8)
Excludes2 - not included here
- functional disorders of stomach (K31.-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Macrocolon
- Dilated, dilation
- Hypertrophy, hypertrophic > cecum
- Hypertrophy, hypertrophic > colon
- Hypertrophy, hypertrophic > sigmoid
- Megacolon > toxic NEC
- Dilatation > colon > toxic
Codes in the same group
| Code | Description | Status |
|---|---|---|
| K59.39 | Other megacolon | Valid |