ICD-10-CM · Chapter 17 · Q00–Q99
Q42
Congenital absence, atresia and stenosis of large intestine
Congenital malformations, deformations and chromosomal abnormalities
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- Q42
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 17 — Congenital malformations, deformations and chromosomal abnormalities
- Category
- Q42
- Specificity
- 3 characters
How coders use this code
ICD-10-CM Q42 is a category (header) for congenital absence, atresia and stenosis of large intestine. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in Q42
- Q42.0Congenital absence, atresia and stenosis of rectum with fistula
- Q42.1Congenital absence, atresia and stenosis of rectum without fistula
- Q42.2Congenital absence, atresia and stenosis of anus with fistula
- Q42.3Congenital absence, atresia and stenosis of anus without fistula
- Q42.8Congenital absence, atresia and stenosis of other parts of large intestine
- Q42.9Congenital absence, atresia and stenosis of large intestine, part unspecified
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