ICD-10-CM Code K59.3
Megacolon, not elsewhere classified
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.K59.3 is a billable ICD code used to specify a diagnosis of megacolon, not elsewhere classified. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
The ICD code K593 is used to code Megacolon
Megacolon is an abnormal dilation of the colon (also called the large intestine). The dilation is often accompanied by a paralysis of the peristaltic movements of the bowel. In more extreme cases, the feces consolidate into hard masses inside the colon, called fecalomas (literally, fecal tumor), which can require surgery to be removed.
| Specialty: | Gastroenterology |
| MeSH Code: | D008531 |
| ICD 9 Code: | 564.7 |
Coding Notes for K59.3 Info for medical coders on how to properly use this ICD-10 code
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Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive. - Dilatation of colon
- Toxic megacolon
- codeFirst:
- See Section T51-T65 to identify toxic agent
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Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here." - Congenital megacolon (aganglionic) - instead, use code Q43.1
- Megacolon (due to) (in) Chagas' disease - instead, use code B57.32
- Megacolon (due to) (in) Clostridium difficile - instead, use code A04.7
- Megacolon (due to) (in) Hirschsprung's disease - instead, use code Q43.1
MS-DRG Mapping
- DRG Group #393-395 - Other digestive system diagnoses with MCC.
- DRG Group #393-395 - Other digestive system diagnoses with CC.
- DRG Group #393-395 - Other digestive system diagnoses without CC or MCC.
Related Concepts SNOMET-CT
- Drug-induced megacolon (disorder)
- Amebic toxic megacolon (disorder)
Coding Advice SNOMET-CT
- Possible requirement for an external cause code
- Consider additional code to identify specific condition or disease
- This is a manifestation code for use in a secondary position
ICD-10-CM Alphabetical Index References for 'K59.3 - Megacolon, not elsewhere classified'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code K59.3. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 564.7 was previously used, K59.3 is the appropriate modern ICD10 code.
Parent Code: K59 - Other functional intestinal disorders