Q42.0

Billable
ChapterQ00–Q99
Ranksubcategory
Official Description

Congenital absence, atresia and stenosis of rectum with fistula

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Billable/specific code (valid for reimbursement).
  • Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).
General instructions are available for the parent sections:

Clinical Hierarchy

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q38-Q45Other congenital malformations of the digestive system (Q38-Q45)
Q42Congenital absence, atresia and stenosis of large intestine
Q42.0Congenital absence, atresia and stenosis of rectum with fistula

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q42.0:

categoryQ42
Congenital absence, atresia and stenosis of large intestine
View context instructions
chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Q42.0. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

8 raw paths

MS-DRG Classification

2026 v43.1

Cross Reference

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