2021 ICD-10-CM Diagnosis Code Q42

Congenital absence, atresia and stenosis of large intestine

2016

2017

2018

2019

2020

2021

Non-Billable/Non-Specific Code

Q42 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2021 edition of ICD-10-CM Q42 became effective on October 1, 2020.
This is the American ICD-10-CM version of Q42 - other international versions of ICD-10 Q42 may differ.

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The following code(s) above Q42 contain annotation back-references

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Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

ICD-10-CM Codes Adjacent To Q42

Q40.2 Other specified congenital malformations of stomach

Q40.3 Congenital malformation of stomach, unspecified

Q40.8 Other specified congenital malformations of upper alimentary tract

Q40.9 Congenital malformation of upper alimentary tract, unspecified

Q41 Congenital absence, atresia and stenosis of small intestine

Q41.0 Congenital absence, atresia and stenosis of duodenum

Q41.1 Congenital absence, atresia and stenosis of jejunum

Q41.2 Congenital absence, atresia and stenosis of ileum

Q41.8 Congenital absence, atresia and stenosis of other specified parts of small intestine

Q41.9 Congenital absence, atresia and stenosis of small intestine, part unspecified

Q42 Congenital absence, atresia and stenosis of large intestine

Q42.0 Congenital absence, atresia and stenosis of rectum with fistula

Q42.1 Congenital absence, atresia and stenosis of rectum without fistula

Q42.2 Congenital absence, atresia and stenosis of anus with fistula

Q42.3 Congenital absence, atresia and stenosis of anus without fistula

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

Q42.9 Congenital absence, atresia and stenosis of large intestine, part unspecified

Q43 Other congenital malformations of intestine

Q43.0 Meckel's diverticulum (displaced) (hypertrophic)

Q43.1 Hirschsprung's disease

Q43.2 Other congenital functional disorders of colon

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.