Q42.8 – Congenital absence, atresia and stenosis of other parts of large intestine

ICD-10-CM 2027 diagnosis code · Other congenital malformations of the digestive system

Billable code

ICD-10-CM code Q42.8

Code: Q42.8 (claims format: Q428)
Description: Congenital absence, atresia and stenosis of other parts of large intestine
Short description: Congenital absence, atresia and stenosis of prt lg int
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
Block: Q38-Q45 Other congenital malformations of the digestive system
Parent codes: Q42

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Q42 – Congenital absence, atresia and stenosis of large intestine

Includes:

congenital obstruction, occlusion and stricture of large intestine

Index terms for Q42.8

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Q42

Frequently asked questions

What is ICD-10 code Q42.8?

Q42.8 is the ICD-10-CM code for congenital absence, atresia and stenosis of other parts of large intestine, in the block Q38-Q45 (Other congenital malformations of the digestive system).

Is Q42.8 a billable code?

Yes. Q42.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Q42.8 belong to?

It belongs to category Q42 – Congenital absence, atresia and stenosis of large intestine.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.