K59Non-billable (header)
Other functional intestinal disorders
Related Codes· Other diseases of intestines (K55-K64)
Sub-codes of K59(7)
K59 is a non-billable header. Select a sub-code to bill.
K59.0ConstipationHeaderK59.1Functional diarrhea✓ BillableK59.2Neurogenic bowel, not elsewhere classified✓ BillableK59.3Megacolon, not elsewhere classifiedHeaderK59.4Anal spasm✓ BillableK59.8Other specified functional intestinal disordersHeaderK59.9Functional intestinal disorder, unspecified✓ Billable
✗ Excludes 1(Not coded here)
- •change in bowel habit NOS (R19.4)
- •intestinal malabsorption (K90.-)
- •psychogenic intestinal disorders (F45.8)
⚠ Excludes 2(Not included here)
- •functional disorders of stomach (K31.-)
Code Hierarchy
┌11Diseases of the digestive system (K00-K95)├K55-K64Other diseases of intestines (K55-K64)├K59Other functional intestinal disorders
└K59Other functional intestinal disorders
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