Category K59
Non-Billable Category
FY2027 Dataset
K59: Other functional intestinal disorders
Parent Chapter: Chapter 11: Diseases of the digestive system
Notice on Coding Specificity: Category K59 is a 3-character heading and cannot be reported directly on healthcare claims. You must assign one of the specific child codes listed below.
Specific Child Codes in Category K59
| Code | Official Descriptor | Status | Action |
|---|---|---|---|
| K59.00 | Constipation, unspecified | Billable Code | View Code |
| K59.01 | Slow transit constipation | Billable Code | View Code |
| K59.02 | Outlet dysfunction constipation | Billable Code | View Code |
| K59.03 | Drug induced constipation | Billable Code | View Code |
| K59.04 | Chronic idiopathic constipation | Billable Code | View Code |
| K59.09 | Other constipation | Billable Code | View Code |
| K59.1 | Functional diarrhea | Billable Code | View Code |
| K59.2 | Neurogenic bowel, not elsewhere classified | Billable Code | View Code |
| K59.31 | Toxic megacolon | Billable Code | View Code |
| K59.39 | Other megacolon | Billable Code | View Code |
| K59.4 | Anal spasm | Billable Code | View Code |
| K59.81 | Ogilvie syndrome | Billable Code | View Code |
| K59.89 | Other specified functional intestinal disorders | Billable Code | View Code |
| K59.9 | Functional intestinal disorder, unspecified | Billable Code | View Code |
| K59 | Other functional intestinal disorders | Non-Billable | View Code |
| K59.0 | Constipation | Non-Billable | View Code |
| K59.3 | Megacolon, not elsewhere classified | Non-Billable | View Code |
| K59.8 | Other specified functional intestinal disorders | Non-Billable | View Code |