ICD-10-CM
ICD-10 code for Megasigmoid congenital: Q43.2
The ICD-10-CM index points "Megasigmoid congenital" to Q43.2, Other congenital functional disorders of colon. Q43.2 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in Q43
A header groups codes and is not billed. A billable code is one you can report.
- Q43Other congenital malformations of intestineHeader
- Q43.0Meckel's diverticulum (displaced) (hypertrophic)Billable
- Q43.1Hirschsprung's diseaseBillable
- Q43.2Other congenital functional disorders of colonBillable
- Q43.3Congenital malformations of intestinal fixationBillable
- Q43.4Duplication of intestineBillable
- Q43.5Ectopic anusBillable
- Q43.6Congenital fistula of rectum and anusBillable
- Q43.7Persistent cloacaBillable
- Q43.8Other specified congenital malformations of intestineBillable
- Q43.9Congenital malformation of intestine, unspecifiedBillable
Related conditions
Related pages
- Q43.2 code detailsNotes, nearby codes, CMS-HCC group
- Category Q43Every code under it
- Chapter 17Congenital malformations and chromosomal abnormalities
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Megasigmoid congenital?
The ICD-10-CM index points "Megasigmoid congenital" to Q43.2, Other congenital functional disorders of colon. Q43.2 is a billable code.
Is Q43.2 billable?
Yes. Q43.2 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is Q43.2 in?
Chapter 17. Congenital malformations and chromosomal abnormalities.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.