All ICD10 Codes

Q40

Non-Billable
ChapterQ00–Q99
Rankcategory
Official Description

Other congenital malformations of upper alimentary tract

Use a more specific code (6 billable)
Q40.0Congenital hypertrophic pyloric stenosisQ40.1Congenital hiatus herniaQ40.2Other specified congenital malformations of stomachQ40.3Congenital malformation of stomach, unspecifiedQ40.8Other specified congenital malformations of upper alimentary tractQ40.9Congenital malformation of upper alimentary tract, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

CH17 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • inborn errors of metabolism (E70-E88)

Clinical Hierarchy

BillableHas subcodes
CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q38-Q45Other congenital malformations of the digestive system (Q38-Q45)
Q40Other congenital malformations of upper alimentary tractNot billable
Q40.0Congenital hypertrophic pyloric stenosisBillable
Q40.1Congenital hiatus herniaBillable
Q40.2Other specified congenital malformations of stomachBillable
Q40.3Congenital malformation of stomach, unspecifiedBillable
Q40.8Other specified congenital malformations of upper alimentary tractBillable
Q40.9Congenital malformation of upper alimentary tract, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q40:

chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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